AMA Citation & Reference Style

Digital Object Identifier (DOI) (pp. 188-192)

doi

What is a DOI? A DOI (digital object identifier) is a unique alphanumeric string assigned by a registration agency (the International DOI Foundation) to identify content and provide a persistent link to its location on the internet.  Used for both print and electronic sources.

Journal

Print Journals:

  • Author(s).
  • Article title.
  • Journal name (italicize)
  • Year of publication (followed by a semi-colon)
  • Volume number
  • Issue number
  • Part or supplement number (when applicable)
  • Inclusive page number(s)

Example:

Serlachius A, Northam E, Frydenberg E, Cameron, F. Adapting a generic coping skills programme for adolescents with type 1 diabetes: A qualitative study. J Health Psychol, 2012;17(3):313-323.

Online Journals:

  • Author(s).
  • Article title.
  • Journal name (italicized)
  • Year
  • Volume
  • Issue
  • Inclusive pages
  • Accessed date.
  • URL  [You do not need to include “URL:” preceding it].

Example: Basic Format

Marreiros HF, Loff C, Calado E. Osteoporosis in paediatric patients with spina bifida. J Spinal Cord Med. 2012; 35(1):9-21. Accessed March 28, 2012. http://www.ncbi.nlm.nih.gov/pubmed/22330186

Example: DOI Number

Markowitz JT, & Laffel LM. Transitions in care: support group for young adults with type1 diabetes. Diabet Med. 2012; 29(4): 522-525. doi: 10.1111/j.1464-5491.2011.03537.x

Note: 11th ed. specifies NO period after the DOI.

Preprint Journals (sometimes called ePub Ahead of Print):

  • Author(s).
  • Article title.
  • Journal name (italicized)
  • Preprint.
  • Posted online date.
  • bioRxiv number (if available)
  • DOI (if available)
  • URL [only include the URL if the bioRxiv number and DOI are unavailable]

Example:

Bloss CS, Wineinger NE, Peters M, et al. A prospective randomized trial examining health care utilization in individuals using multiple smartphone-enabled biosensors. Preprint. Posted online October 28, 2015. bioRxiv 029983. doi:10.1101/029983

Attribution

Thanks to the George Washington University Himmelfarb Health Sciences Library for the content of this guide, which is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.

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