• date: Date of source being referenced. Can be full date (day, month, and year) or partial date (month and year, or year). Use same format as other publication dates in the citations.[date 1] Required when year is used to disambiguate {{sfn}} links to multiple-work citations by the same author in the same year.[more] Do not wikilink. Displays after the authors and is enclosed in parentheses. If there is no author, then displays after publisher.
NO: Does the template use |ref=harv? (answer YES if the template is {{citation}})
NO: use |date=.
YES: Is the date format in |date= YYYY-MM-DD?
NO: use |date=.
YES: Does the citation require a CITEREF disambiguator?
NO: use |date=.
YES: |year= required.
YES: Does the citation use |ref=harv?
NO: use |date=.
YES: Is the date format in |date= DD Month YYYY or Month YYYY or YYYY or Month DD, YYYY or YYYY-MM-DD?
NO: |year= required.
YES: Does the citation require a CITEREF disambiguator?
NO: use |date=.
YES: |year= required.
  • orig-year: Original publication year; displays after the date or year. For clarity, please supply specifics. For example: |orig-year=First published 1859 or |orig-year=Composed 1904.
  1. Publication dates in references within an article should all have the same format. This may be a different format from that used for archive and access dates. See: .