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Module talk:Footnotes/anchor id list

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This is an old revision of this page, as edited by Trappist the monk (talk | contribs) at 23:14, 12 March 2020 (→harvc). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

There has always been a problem with the {{harv}} and {{sfn}} families of templates: except that every link that is created by these templates is tested at creation, editors don't know if the link works. A remedy for that has been user-scripts like User:Ucucha/HarvErrors. But, not all editors use that script so broken harv links can go undetected for a long time. At the moment, there is prospective bot that would mark broken-link harv templates by adding {{broken footnote}} after the broken-link harv template.

I have another possible solution. I have created a lua module that extracts reference linking data from cs1|2 and vcite templates. I have modified Module:Footnotes/sandbox to use the extracted data to determine if:

the harv template does not have a matching citation template
more than one citation template matches the harv template

when either of these conditions exists, the harv template emits an error message.

harv errors
template rendering
{{Harvard citation no brackets/sandbox|Black|Black|Brown|2020}} Black, Black & Brown 2020
{{Harvard citation no brackets/sandbox|Black|Black|Red|2020}} Black, Black & Red 2020 harvnb error: multiple targets (2×): CITEREFBlackBlackRed2020 (help)
citation templates
{{cite book |title=Title |last=Black |last2=Black |last3=Brown |date=2020}} Black; Black; Brown (2020). Title.
{{cite journal |journal=Journal |title=Title |last=Black |last2=Black |last3=Red |date=2020 |ref=harv}} Black; Black; Red (2020). "Title". Journal. {{cite journal}}: Invalid |ref=harv (help)
{{citation |title=Title |editor-last=Black |editor-last2=Black |editor-last3=Red |date=2020}} Black; Black; Red, eds. (2020), Title

The sandbox module collects various items from the citation templates in the article's wikitext and assembles them into a list of CITEREF anchors that each harv template can inspect:

  • when |ref=harv either explicitly (cs1) or implicitly (cs2), the sandbox module builds a CITEREF from the cs1|2 parameters:
    name sources: |contributor=, |author=, |vauthors=, |editor= and |veditors=, and their aliases (where they exist)
    date sources: |year=, |date=, |publicationdate=, and |publication-date= (in that order).
  • when |ref={{sfnref}} or |ref={{harvid}}, the sandbox module builds a CITEREF from parameters in those templates and adds the result to the list.
  • when |ref=CITEREF<name-date>, the sandbox module adds that text (absent the CITEREF prefix) to the list.
  • when |ref=<anchor-identifier-text>, the sandbox module adds that text to the list – to match a harv template's identical |ref=<anchor-identifier-text>
  • when |ref= is empty or omitted and |mode=cs2, the sandbox module acts as if |ref=harv
  • when |ref=none, the sandbox module skips the citation because CITEREF anchor creation specifically suppressed in cs1|2

Alas, there is a flaw. Because the sandbox module reads article wikitext, and because wrapper templates often set cs1|2 parameter values inside the template, so the sandbox module emits a false error message for wrapped templates ({{cite EB1911}} wraps {{cite encyclopedia}}:

false harv errors
template rendering
{{Harvard citation no brackets/sandbox|Chisholm|1911}} Chisholm 1911
citation templates
{{Cite EB1911|wstitle=Alfred the Great|ref=harv}} Chisholm, Hugh, ed. (1911). "Alfred the Great" . Encyclopædia Britannica (11th ed.). Cambridge University Press. {{cite encyclopedia}}: Invalid |ref=harv (help)

So that false error messages don't linger in an article, I have added |ignore-err= to the harv templates so that false error messages may be suppressed ({{cite DNB}} wraps {{cite encyclopedia}}:

suppressing false harv errors
template rendering
{{Harvard citation no brackets/sandbox|Power|1901}} Power 1901
{{Harvard citation no brackets/sandbox|Power|1901|ignore-err=yes}} Power 1901
citation templates
{{Cite DNB|first=D'Arcy|last=Power|pages=331–332|supplement=1|volume=1|wstitle=Bucknill, John Charles |ref=harv}} Power, D'Arcy (1901). "Bucknill, John Charles" . In Lee, Sidney (ed.). Dictionary of National Biography (1st supplement). Vol. 1. London: Smith, Elder & Co. pp. 331–332. {{cite encyclopedia}}: Invalid |ref=harv (help)

author-name parameters

author-name parameters
template rendering
{{Harvard citation no brackets/sandbox|Black|Black|Orange|2020}} Black, Black & Orange 2020
{{Harvard citation no brackets/sandbox|Black|Black|Yellow|2020}} Black, Black & Yellow 2020
{{Harvard citation no brackets/sandbox|Black|Black|Green|2020}} Black, Black & Green 2020
{{Harvard citation no brackets/sandbox|Black|2020}} Black 2020
{{Harvard citation no brackets/sandbox|Black|Black|2020}} Black & Black 2020
{{Harvard citation no brackets/sandbox|Black|Black|Green|Black|2020}} Black et al. 2020
{{Harvard citation no brackets/sandbox|Black|Black|Green|Brown|2020}} Black et al. 2020
{{Harvard citation no brackets/sandbox|Brown|2020}} Brown 2020
{{Harvard citation no brackets/sandbox|Red|Black|2020}} Red & Black 2020
{{Harvard citation no brackets/sandbox|Orange|Black|Black|2020}} Orange, Black & Black 2020
{{Harvard citation no brackets/sandbox|Yellow|Black|Black|Black|2020}} Yellow et al. 2020
{{Harvard citation no brackets/sandbox|Green|Black|Black|Brown|2020}} Green et al. 2020
authorn-last parameters
{{Cite book |author1-last=Black |author2-last=Black |author3-last=Orange |title=Title |date=2020 |ref=harv}} Black; Black; Orange (2020). Title. {{cite book}}: Invalid |ref=harv (help)
author-lastn parameters
{{Cite book |author-last1=Black |author-last2=Black |author-last3=Yellow |title=Title |date=2020 |ref=harv}} Black; Black; Yellow (2020). Title. {{cite book}}: Invalid |ref=harv (help)
misc less used author-name parameters
{{Cite book |surname=Black |subject2=Black |host3=Green |title=Title |date=2020 |ref=harv}} Black; Black; Green (2020). Title. {{cite book}}: Invalid |ref=harv (help)
one author-name parameters
{{Cite book |last=Black |title=Title |date=2020 |ref=harv}} Black (2020). Title. {{cite book}}: Invalid |ref=harv (help)
two author-name parameters
{{Cite book |last=Black |last2=Black |title=Title |date=2020 |ref=harv}} Black; Black (2020). Title. {{cite book}}: Invalid |ref=harv (help)
four author-name parameters
{{Cite book |last=Black |last2=Black |last3=Green |last4=Black |title=Title |date=2020 |ref=harv}} Black; Black; Green; Black (2020). Title. {{cite book}}: Invalid |ref=harv (help)
five author-name parameters
{{Cite book |last=Black |last2=Black |last3=Green |last4=Brown |last5=Black |title=Title |date=2020 |ref=harv}} Black; Black; Green; Brown; Black (2020). Title. {{cite book}}: Invalid |ref=harv (help)
one vauthors-name
{{Cite book |vauthors=Brown |title=Title |date=2020 |ref=harv}} Brown (2020). Title. {{cite book}}: Invalid |ref=harv (help)
two vauthors-name
{{Cite book |vauthors=Red, Black |title=Title |date=2020 |ref=harv}} Red, Black (2020). Title. {{cite book}}: Invalid |ref=harv (help)
three vauthors-name
{{Cite book |vauthors=Orange,Black,Black |title=Title |date=2020 |ref=harv}} Orange, Black, Black (2020). Title. {{cite book}}: Invalid |ref=harv (help)
four vauthors-name
{{Cite book |vauthors=Yellow,Black,Black,Black |title=Title |date=2020 |ref=harv}} Yellow, Black, Black, Black (2020). Title. {{cite book}}: Invalid |ref=harv (help)
five vauthors-name
{{Cite book |vauthors=Green,Black,Black,Brown,Black |title=Title |date=2020 |ref=harv}} Green, Black, Black, Brown, Black (2020). Title. {{cite book}}: Invalid |ref=harv (help)

editor-name parameters

editor-name parameters
template rendering
{{Harvard citation no brackets/sandbox|Black|Brown|Orange|2020}} Black, Brown & Orange 2020
{{Harvard citation no brackets/sandbox|Black|Brown|Yellow|2020}} Black, Brown & Yellow 2020
{{Harvard citation no brackets/sandbox|Black|Brown|Green|2020}} Black, Brown & Green 2020
{{Harvard citation no brackets/sandbox|Red|2020}} Red 2020
{{Harvard citation no brackets/sandbox|Black|Brown|2020}} Black & Brown 2020
{{Harvard citation no brackets/sandbox|Black|Brown|Green|Black|2020}} Black et al. 2020
{{Harvard citation no brackets/sandbox|Black|Brown|Green|Brown|2020}} Black et al. 2020
{{Harvard citation no brackets/sandbox|Orange|2020}} Orange 2020
{{Harvard citation no brackets/sandbox|Red|Brown|2020}} Red & Brown 2020
{{Harvard citation no brackets/sandbox|Orange|Brown|Black|2020}} Orange, Brown & Black 2020
{{Harvard citation no brackets/sandbox|Yellow|Brown|Black|Black|2020}} Yellow et al. 2020
{{Harvard citation no brackets/sandbox|Green|Brown|Black|Brown|2020}} Green et al. 2020
editorn-last parameters
{{Cite book |editor1-last=Black |editor2-last=Brown |editor3-last=Orange |title=Title |date=2020 |ref=harv}} Black; Brown; Orange, eds. (2020). Title. {{cite book}}: Invalid |ref=harv (help)
editor-lastn parameters
{{Cite book |editor-last1=Black |editor-last2=Brown |editor-last3=Yellow |title=Title |date=2020 |ref=harv}} Black; Brown; Yellow, eds. (2020). Title. {{cite book}}: Invalid |ref=harv (help)
misc editor-name parameters
{{Cite book |editor-surname=Black |editor2=Brown |editor3-surname=Green |title=Title |date=2020 |ref=harv}} Black; Brown; Green, eds. (2020). Title. {{cite book}}: Invalid |ref=harv (help)
one editor-name parameter
{{Cite book |editor-last=Red |title=Title |date=2020 |ref=harv}} Red (2020). Title. {{cite book}}: Invalid |ref=harv (help)
two editor-name parameters
{{Cite book |editor-last=Black |editor-last2=Brown |title=Title |date=2020 |ref=harv}} Black; Brown, eds. (2020). Title. {{cite book}}: Invalid |ref=harv (help)
four editor-name parameters
{{Cite book |editor-last=Black |editor-last2=Brown |editor-last3=Green |editor-last4=Black |title=Title |date=2020 |ref=harv}} Black; Brown; Green; Black, eds. (2020). Title. {{cite book}}: Invalid |ref=harv (help)
five editor-name parameters
{{Cite book |editor-last=Black |editor-last2=Brown |editor-last3=Green |editor-last4=Brown |editor-last5=Black |title=Title |date=2020 |ref=harv}} Black; Brown; Green; Brown; Black, eds. (2020). Title. {{cite book}}: Invalid |ref=harv (help)
one veditors-name
{{Cite book |veditors=Orange |title=Title |date=2020 |ref=harv}} Orange, ed. (2020). Title. {{cite book}}: Invalid |ref=harv (help)
two veditors-name
{{Cite book |veditors=Red, Brown |title=Title |date=2020 |ref=harv}} Red, Brown, eds. (2020). Title. {{cite book}}: Invalid |ref=harv (help)
three veditors-name
{{Cite book |veditors=Orange,Brown ,Black |title=Title |date=2020 |ref=harv}} Orange, Brown, Black, eds. (2020). Title. {{cite book}}: Invalid |ref=harv (help)
four veditors-name
{{Cite book |veditors=Yellow,Brown ,Black,Black |title=Title |date=2020 |ref=harv}} Yellow, Brown, Black, Black, eds. (2020). Title. {{cite book}}: Invalid |ref=harv (help)
five veditors-name
{{Cite book |veditors=Green,Brown ,Black,Brown,Black |title=Title |date=2020 |ref=harv}} Green, Brown, Black, Brown, Black, eds. (2020). Title. {{cite book}}: Invalid |ref=harv (help)

contributor-name parameters

contributor-name parameters
template rendering
{{Harvard citation no brackets/sandbox|Green|2020}} Green 2020
{{Harvard citation no brackets/sandbox|Green|Red|2020}} Green & Red 2020
{{Harvard citation no brackets/sandbox|Green|Red|Black|2020}} Green, Red & Black 2020
{{Harvard citation no brackets/sandbox|Green|Red|Black|Black|2020}} Green et al. 2020
{{Harvard citation no brackets/sandbox|Green|Red|Black|Brown|2020}} Green et al. 2020
contributorn-last parameters
{{Cite book |contributor1-last=Green |contribution=Preface |author=Author |title=Title |date=2020 |ref=harv}} Green (2020). Preface. Title. By Author. {{cite book}}: |author= has generic name (help); Invalid |ref=harv (help)
contributor-lastn parameters
{{Cite book |contributor-last=Green |contributor-last2=Red |contribution=Preface |author=Author |title=Title |date=2020 |ref=harv}} Green; Red (2020). Preface. Title. By Author. {{cite book}}: |author= has generic name (help); Invalid |ref=harv (help)
contributor-surname parameters
{{Cite book |contributor-surname=Green |contributor2-surname=Red |contributor-surname3=Black |contribution=Preface |author=Author |title=Title |date=2020 |ref=harv}} Green; Red; Black (2020). Preface. Title. By Author. {{cite book}}: |author= has generic name (help); Invalid |ref=harv (help)
four contributor-name parameters
{{Cite book |contributor=Green |contributor2=Red |contributor3=Black |contributor4=Black |contribution=Preface |author=Author |title=Title |date=2020 |ref=harv}} Green; Red; Black; Black (2020). Preface. Title. By Author. {{cite book}}: |author= has generic name (help); Invalid |ref=harv (help)
five contributor-name parameters
{{Cite book |contributor1=Green |contributor2=Red |contributor3=Black |contributor4=Brown |contributor5=Black |contribution=Preface |author=Author |title=Title |date=2020 |ref=harv}} Green; Red; Black; Brown; Black (2020). Preface. Title. By Author. {{cite book}}: |author= has generic name (help); Invalid |ref=harv (help)

ref={{sfnref}} and |ref={{harvid}}

|ref={{sfnref}} and |ref={{harvid}}
template rendering
{{Harvard citation no brackets/sandbox|Blue|2020}} Blue 2020
{{Harvard citation no brackets/sandbox|Blue|Red|2020}} Blue & Red 2020
{{Harvard citation no brackets/sandbox|Blue|Red|Black|2020}} Blue, Red & Black 2020
{{Harvard citation no brackets/sandbox|Blue|Red|Black|Black|2020}} Blue et al. 2020
{{Harvard citation no brackets/sandbox|''Magazine Title''|2020}} Magazine Title 2020
{{harvid}}
{{Cite book |title=Title |ref={{harvid|Blue|2020}}}} Title.
{{Harvid}}
{{Cite book |title=Title |ref={{Harvid|Blue|Red|2020}}}} Title.
{{sfnref}}
{{Cite book |title=Title |ref={{sfnref|Blue|Red|Black|2020}}}} Title.
{{SfnRef}}
{{Cite book |title=Title |ref={{SfnRef|Blue|Red|Black|Black|2020}}}} Title.
{{SfnRef}} – magazine title
{{Cite book |title=Title |ref={{SfnRef|''Magazine Title''|2020}}}} Title.

|ref=CITEREF...

|ref=CITEREF...
template rendering
{{Harvard citation no brackets/sandbox|custom citeref text}} custom citeref text
|ref=CITEREF...
{{Cite book |title=Title |ref=CITEREFcustom citeref text}} Title.

|ref=custom text in {{harvnb}}

|ref=custom text in {{harvnb}}
template rendering
{{Harvard citation no brackets/sandbox|Violet|2020|ref=1337+S3CRE7+C0D3}} Violet 2020
|ref=1337+S3CRE7+C0D3
{{Cite book |title=Title |ref=1337+S3CRE7+C0D3}} Title.

single date parameters

single date parameters
template rendering
{{Harvard citation no brackets/sandbox|Violet|Black|2020}} VioletBlack 2020
{{Harvard citation no brackets/sandbox|Violet|Brown|2020}} Violet & Brown 2020
{{Harvard citation no brackets/sandbox|Violet|Red|2020}} Violet & Red 2020
{{Harvard citation no brackets/sandbox|Violet|Orange|2020}} Violet & Orange 2020
|year=
{{Cite book |year=2020 |last=Violet |last2=Black |title=Title |ref=harv}} Violet; Black (2020). Title. {{cite book}}: Invalid |ref=harv (help)
|date=
{{Cite book |date=2020 |last=Violet |last2=Brown |title=Title |ref=harv}} Violet; Brown (2020). Title. {{cite book}}: Invalid |ref=harv (help)
|publication-date=
{{Cite book |publication-date=2020 |last=Violet |last2=Red |title=Title |ref=harv}} Violet; Red (2020). Title. {{cite book}}: Invalid |ref=harv (help)
|publicationdate=
{{Cite book |publicationdate=2020 |last=Violet |last2=Orange |title=Title |ref=harv}} Violet; Orange (2020). Title. {{cite book}}: Invalid |ref=harv (help); Unknown parameter |publicationdate= ignored (|publication-date= suggested) (help)

multiple date parameters

multiple date parameters
template rendering
{{Harvard citation no brackets/sandbox|Violet|Yellow|2020}} Violet & Yellow 2020
{{Harvard citation no brackets/sandbox|Violet|Green|2020}} Violet & Green 2020
{{Harvard citation no brackets/sandbox|Violet|Blue|2020}} Violet & Blue 2020
{{Harvard citation no brackets/sandbox|Violet|Violet|2020}} Violet & Violet 2020
|year= and |date=
{{Cite book |year=2020 |date=2020 |last=Violet |last2=Yellow |title=Title |ref=harv}} Violet; Yellow (2020). Title. {{cite book}}: Invalid |ref=harv (help)CS1 maint: date and year (link)
|year= and |publication-date=
{{Cite book |date=2020 |publication-date=2000 |last=Violet |last2=Green|title=Title |ref=harv}} Violet; Green (2020). Title (published 2000). {{cite book}}: Invalid |ref=harv (help)
|date= and |publication-date=
{{Cite book |date=2020 |publication-date=2000 |last=Violet |last2=Blue |title=Title |ref=harv}} Violet; Blue (2020). Title (published 2000). {{cite book}}: Invalid |ref=harv (help)
|year= and |date= and |publicationdate=
{{Cite book |year=2020 |date=2020 |publicationdate=2000 |last=Violet |last2=Violet |title=Title |ref=harv}} Violet; Violet (2020). Title (published 2000). {{cite book}}: Invalid |ref=harv (help); Unknown parameter |publicationdate= ignored (|publication-date= suggested) (help)CS1 maint: date and year (link)

date formats

date formats
template rendering
{{Harvard citation no brackets/sandbox|Gray|Black|2010–2020}} Gray & Black 2010–2020
{{Harvard citation no brackets/sandbox|Gray|Black|1998–99}} Gray & Black 1998–99
{{Harvard citation no brackets/sandbox|Gray|Brown|2020}} Gray & Brown 2020
{{Harvard citation no brackets/sandbox|Gray|Red|Black|2020}} Gray, Red & Black 2020
{{Harvard citation no brackets/sandbox|Gray|Red|Brown|2020}} Gray, Red & Brown 2020
{{Harvard citation no brackets/sandbox|Gray|Orange|Black|n.d.}} Gray, Orange & Black n.d.
{{Harvard citation no brackets/sandbox|Gray|Orange|Brown|nd}} Gray, Orange & Brown nd
{{Harvard citation no brackets/sandbox|Gray|Yellow|c. 2020}} Gray & Yellow c. 2020
YYYY–YYYY
{{Cite book |date=2010–2020 |last=Gray |last2=Black |title=Title |ref=harv}} Gray; Black (2010–2020). Title. {{cite book}}: Invalid |ref=harv (help)
YYYY–YY
{{Cite book |date=1998–99 |last=Gray |last2=Black |title=Title |ref=harv}} Gray; Black (1998–99). Title. {{cite book}}: Invalid |ref=harv (help)
YYYY-MM-DD
{{Cite book |date=2020-03-05 |last=Gray |last2=Brown |title=Title |ref=harv}} Gray; Brown (2020-03-05). Title. {{cite book}}: Invalid |ref=harv (help)
dmy
{{Cite book |date=5 March 2020 |last=Gray |last2=Red |last3=Black |title=Title |ref=harv}} Gray; Red; Black (5 March 2020). Title. {{cite book}}: Invalid |ref=harv (help)
mdy
{{Cite book |date=5 March 2020 |last=Gray |last2=Red |last3=Brown |title=Title |ref=harv}} Gray; Red; Brown (5 March 2020). Title. {{cite book}}: Invalid |ref=harv (help)
n.d.
{{Cite book |date=n.d. |last=Gray |last2=Orange |last3=Black |title=Title |ref=harv}} Gray; Orange; Black (n.d.). Title. {{cite book}}: Invalid |ref=harv (help)
nd
{{Cite book |date=nd |last=Gray |last2=Orange |last3=Brown |title=Title |ref=harv}} Gray; Orange; Brown (nd). Title. {{cite book}}: Invalid |ref=harv (help)
c. YYYY
{{Cite book |date=c. 2020 |last=Gray |last2=Yellow |title=Title |ref=harv}} Gray; Yellow (c. 2020). Title. {{cite book}}: Invalid |ref=harv (help)

date formats with CITEREF disambiguation

date formats with CITEREF disambiguation
template rendering
{{Harvard citation no brackets/sandbox|Gray|Black|2010–2020a}} Gray & Black 2010–2020a
{{Harvard citation no brackets/sandbox|Gray|Black|1998–99a}} Gray & Black 1998–99a
{{Harvard citation no brackets/sandbox|Gray|Red|Black|2020a}} Gray, Red & Black 2020a
{{Harvard citation no brackets/sandbox|Gray|Red|Brown|2020a}} Gray, Red & Brown 2020a
{{Harvard citation no brackets/sandbox|Gray|Orange|Black|n.d.a}} Gray, Orange & Black n.d.a
{{Harvard citation no brackets/sandbox|Gray|Orange|Brown|nda}} Gray, Orange & Brown nda
{{Harvard citation no brackets/sandbox|Gray|Yellow|c. 2020a}} Gray & Yellow c. 2020a
YYYY–YYYY
{{Cite book |date=2010–2020a |last=Gray |last2=Black |title=Title |ref=harv}} Gray; Black (2010–2020a). Title. {{cite book}}: Invalid |ref=harv (help)
YYYY–YY
{{Cite book |date=1998–99a |last=Gray |last2=Black |title=Title |ref=harv}} Gray; Black (1998–99a). Title. {{cite book}}: Invalid |ref=harv (help)
dmy
{{Cite book |date=5 March 2020a |last=Gray |last2=Red |last3=Black |title=Title |ref=harv}} Gray; Red; Black (5 March 2020a). Title. {{cite book}}: Invalid |ref=harv (help)
mdy
{{Cite book |date=5 March 2020a |last=Gray |last2=Red |last3=Brown |title=Title |ref=harv}} Gray; Red; Brown (5 March 2020a). Title. {{cite book}}: Invalid |ref=harv (help)
n.d.
{{Cite book |date=n.d.a |last=Gray |last2=Orange |last3=Black |title=Title |ref=harv}} Gray; Orange; Black (n.d.a). Title. {{cite book}}: Invalid |ref=harv (help)
nd
{{Cite book |date=nda |last=Gray |last2=Orange |last3=Brown |title=Title |ref=harv}} Gray; Orange; Brown (nda). Title. {{cite book}}: Invalid |ref=harv (help)
c. YYYY
{{Cite book |date=c. 2020a |last=Gray |last2=Yellow |title=Title |ref=harv}} Gray; Yellow (c. 2020a). Title. {{cite book}}: Invalid |ref=harv (help)

date from {{date}}

date from {{date}}
template rendering
{{Harvard citation no brackets/sandbox|Gray|Green|2020}} Gray & Green 2020
{{Harvard citation no brackets/sandbox|Gray|Blue|2020}} Gray & Blue 2020
{{Harvard citation no brackets/sandbox|Gray|Violet|2020}} Gray & Violet 2020
{{Harvard citation no brackets/sandbox|Gray|Gray|2020}} Gray & Gray 2020
{{Harvard citation no brackets/sandbox|Gray|White|2020}} Gray & White 2020
dmy
{{Cite book |date={{date|5 March 2020}} |last=Gray |last2=Green |title=Title |ref=harv}} Gray; Green (5 March 2020). Title. {{cite book}}: Invalid |ref=harv (help)
dmy → ymd
{{Cite book |date={{DATEtoMOS|5 Mar 2020|ISO}} |last=Gray |last2=Blue |title=Title |ref=harv}} Gray; Blue (2020-03-05). Title. {{cite book}}: Invalid |ref=harv (help)
mdy
{{Cite book |date={{FormatDate|March 5, 2020|MDY}} |last=Gray |last2=Violet |title=Title |ref=harv}} Gray; Violet (March 5, 2020). Title. {{cite book}}: Invalid |ref=harv (help)
mdy → dmy
{{Cite book |date={{ISOtodmymdy|Mar 5, 2020|DMY}} |last=Gray |last2=Gray |title=Title |ref=harv}} Gray; Gray (5 March 2020). Title. {{cite book}}: Invalid |ref=harv (help)
ymd
{{Cite book |date={{ISOtoMOS|2020-03-05}} |last=Gray |last2=White |title=Title |ref=harv}} Gray; White (5 March 2020). Title. {{cite book}}: Invalid |ref=harv (help)

|cite LSA

date from {{cite LSA}}
template rendering
{{Harvard citation no brackets/sandbox|White|2020}} White 2020
CITEREF uses |last= and |year= always; |ref= not supported
{{cite LSA |year=2020 |last=White |first=First |title=Title}} Template:Cite LSA

vcite templates

vcite templates
template rendering
{{Harvard citation no brackets/sandbox|White|Black|2020|ref=WhiteBlack2020}} White & Black 2020
{{Harvard citation no brackets/sandbox|White|Brown|2020}} White & Brown 2020
{{Harvard citation no brackets/sandbox|White|Red|2020|ref=WhiteRed2020}} White & Red 2020
using |ref=
{{vcite book |year=2020 |author=White, Black |title=Title |ref=WhiteBlack2020}} Template:Vcite book
using |harvid= (makes CITEREF...)
{{vancite book |year=2020 |author=White, Brown |title=Title |harvid=WhiteBrown2020}} Template:Vancite book
using |ref= and |harvid=
{{vcite book |year=2020 |author=White, Red |title=Title |ref=WhiteOrange2020 |harvid=WhiteRed2020}} Template:Vcite book

harvc

harvc
template rendering
{{Harvard citation no brackets/sandbox|George|Read|Johnson|Ferber|1957}} George et al. 1957
{{Harvard citation no brackets/sandbox|Stefferud|1957|ref=CITEREFStefferud preface}} Stefferud 1957
{{harvc}} templates
{{harvc/sandbox |last=George |first=Ernest J. |last2=Read |last3=Johnson |last4=Ferber |year=1957 |contribution=Shelterbelts and Windbreaks |url=//archive.org/stream/yoa1957#page/n785/mode/1up |in=Stefferud}} George, Ernest J.; Read; Johnson; Ferber. "Shelterbelts and Windbreaks". In Stefferud (1957).
{{harvc/sandbox |last=Stefferud |first=A.|year=1957 |id=CITEREFStefferud preface |c=Preface |url=//archive.org/stream/yoa1957#page/n7/mode/1up |in=Stefferud}} Stefferud, A. Preface. In Stefferud (1957).
cs1|2 templates
{{cite book |title=Soil: The Yearbook of Agriculture 1957 |editor-last=Stefferud |editor-first=Alfred |year=1957 |publisher=United States Department of Agriculture |url=//archive.org/stream/yoa1957#page/n2/mode/1up |oclc=704186906 |ref=harv}} Stefferud, Alfred, ed. (1957). Soil: The Yearbook of Agriculture 1957. United States Department of Agriculture. OCLC 704186906. {{cite book}}: Invalid |ref=harv (help)
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