• date: Date of source being referenced. Can be full date (day, month, and year) or partial date (month and year, year). Use same format as other publication dates in the citations. 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.
• OR:
  • year: Year of source being referenced. Required with some types of {{sfn}} citations;^[more] otherwise use date.
  • month: Name of the month or season of publication. If you also have the day, use date instead. Do not wikilink.
  • origyear: Original publication year; displays after the date or year. For clarity, please supply specifics. For example: |origyear=First published 1859 or |origyear=Composed 1904.