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AMA Citation Style 11th Edition Guide

Pre-Print Articles in AMA


"Preprints are another online method for publication in which a manuscript is uploaded by authors to a public server, without editing or formatting, and typically without peer review. A preprint may be a predecessor to publication in a peer-reviewed journal; it is “archived” and citable. Preprint servers include,, MedRxiv, and many others." AMA 11th edition, Ch


General Preprint format 

Author Title Server date accessed URL/doi
Author AA, Author BB. Article Title. xxXiv. Preprint posted online Month Day, Year. Accessed Month Day, Year. www.xx.xx



1. Morozova O, Li ZR, Crawford FW. A model for COVID-19 transmission in Connecticut. medRxiv. Preprint posted online June 16, 2020. doi:10.1101/2020.06.12.20126391

Institutional Repository Articles in AMA


Institutional Repositories collect, archive, and digitally disseminate the intellectual property output of an institution, and because of conflicting copyright with publishers, versions of articles within institutional repositories may be slightly different than the published version.  

General Format Table 

Author Title Institution Date Accessed URL/DOI
Author AA, Author BB. Article Title. Institution. Month Day, Year.  Accessed Month Day, Year. www.xx.xx



2. Tseng V. Effect of noise reduction methods in the ICU on sleep quality. UC Irvine. June 8, 2016. Accessed August 17, 2016.