AMA (American Medical Association) style is most commonly used to cite sources within the health sciences.
Note number. Author, A A, Author, BB. Title of article. Journal Title Abbreviated. Year of Publication; Volume(Issue):Page Range. URL or DOI.
Example:
2. Beran RG, Braley TJ, Segal BM, Chervin RD. Sleep-disordered breathing in multiple sclerosis. Neurology. 2013;80(14):1354-1355.
Note number. Author, A A, Author, BB. Title of book. Edition ed. Publisher Name; Year of publication.
Example:
1. Maul-Mellott SK, Adams JN. Childhood Cancer: A Nursing Overview. Jones and Bartlett; 1987.
Note number. Author, AA. Title of document or Organization. Name of the website. Published [date]. Updated [date]. Accessed [date]. http://Web address.
Example:
3. Yale University. ScienceDaily. Published January 7, 2015. Accessed April 5, 2015. http://www.sciencedaily.com/relesases/2015/01/1501733950.
Examples retrieved from Purdue OWL: AMA Formatting
Style influenced by Citation Styles, UWM Libraries
If you are directly quoting from a work or paraphrasing an idea from another work, you must use a superscript number after the reference. Each superscript comes after the period but before colons and semicolons.
According to Jones, "Students often had difficulty using AMA style, especially when it was their first time".¹
AMA Manual of Style by 
