Box 182Both a date of update/revision and a date of citation

Various words are used to show that the content of a wiki has been changed, including updated, modified, revised, reviewed.

  • Begin with the date(s) of update/revision in the format year month day
    • Use the wording for update/revision supplied in the wiki
    • Give all words with the dates provided, in ascending date order. For example:
      • reviewed 2004 Sep 1; modified 2006 Aug 17;
    • Separate words by a semicolon and a space
    • End the date(s) of update/revision with a semicolon and a space
  • Enter the date cited in the format year month day
  • Place all dates of update/revision and the date of citation in one set of square brackets
  • End with a period placed outside the closing bracket
    • OpenWetWare [wiki on the Internet]. Cambridge (MA): Massachusetts Institute of Technology, Biological Engineering Division. 2005 May -   [modified 2007 Mar 4; cited 2007 May 4]. Available from:

From: Chapter 26, Electronic Mail and Discussion Forums

Cover of Citing Medicine
Citing Medicine: The NLM Style Guide for Authors, Editors, and Publishers [Internet]. 2nd edition.
Patrias K, author; Wendling D, editor.
Bethesda (MD): National Library of Medicine (US); 2007-.

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