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AMA 11: Reference List

Basic Principles of the Reference List

Format your reference list in AMA Style:

  • Do list sources in the order they are cited in-text and left align your list.
  • Don't double-space your references



  1. Patel S. Polycystic ovary syndrome (PCOS), an inflammatory, systemic, lifestyle endocrinopathy. J Steroid Biochem Mol Biol. 2018;182:27‐36. doi:10.1016/j.jsbmb.2018.04.008
  2. Ganie MA, Rashid A, Sood M, et al. Coadministration of metformin or spironolactone enhances efficacy of rosiglitazone in management of PCOS. Gynecol Endocrinol. 2020;36(4):308-312. doi:10.1080/09513590.2019.1675044
  3. Azziz R, Carmina E, Dewailly D, et al. The Androgen Excess and PCOS Society criteria for the polycystic ovary syndrome: the complete task force report. Fertil Steril. 2009;91(2):456‐488. doi:10.1016/j.fertnstert.2008.06.035


Three Elements of a Reference List Entry

  1. Author: Who is responsible for the work?
  2. Title: What is this work called?
  3. Source: From where can the work be retrieved? When was this work published?


Author Type Format Example
One individual Surname Initials. Pierce KP.
2-6 Individuals Surname Initials, Surname Initials. Chew KL, Lin RTP.
7+ Individuals Surname Initials, Surname Initials, Surname Initials, et al. Tater KC, Cole WE, Pion PD, et al.


  • List the last name and the author's initials with no punctuation
  • Include all author names for 1 to 6 authors.
  • For 7+ authors, list the first 3 authors followed by et al.



  • Use sentence case for journal articles titles. 
  • Italicize and abbreviate the name of the journal. 


  • Use title case and italicize the name of the book. 
  • Use sentence case for chapter titles. Do not italicize the chapter title.


  • Sentence case should be used for webpage titles. 
  • If a website has no title, use the name of the organization responsible for the site as the title.


Source Type Format Example
Journal article Periodical Title. Year;Volume(Issue):Pages. DOI Vet Dermatol. 2017;28(4):e362-e382. doi:10.1111/vde.12426
Book or ebook Edition number ed. Publisher’s name; copyright year. Accessed [date]. URL 3rd ed. AAPA; 2006. Accessed December 19, 2019.
Webpage Name of website. [Published date], Updated [date], Accessed [date]. URL.
*Most times you only have accessed date
CenterWatch website. Accessed October 28, 2019.


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555 31st St. Downers Grove, IL 60515
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Glendale Campus Library (623) 572-3308
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19555 N. 59th Ave. Glendale, AZ 85308
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