Box 110No date of publication, but a date of copyright

  • A copyright date is identified by the symbol ©, the letter "c", or the word copyright preceding the date. If no date of publication can be found, but the publication contains a date of copyright, use the date of copyright preceded by the letter "c"; for example c2005.
    • Carter H, Winstead GA. Study protocol for measuring the effects of work-site exercise on the physical fitness of older workers. c2006 [cited 2007 Mar 9]. In:

From: Chapter 24, Databases/Retrieval Systems/Datasets 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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