Box 109Both a date of update/revision and a date of citation

Various words are used to show that the content of a contribution a book has been changed. Among them are: 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 book
    • Give all words with the dates provided, in ascending date order
    • 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 date of citation information in square brackets
  • End with a period placed outside the closing bracket
    Example:
    • ; [revised 2005 Jan 3; updated 2005 Nov 4; cited 2006 Dec 13].

From: Chapter 22, Books and Other Individual Titles on the Internet

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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