Citation and style manuals

The style recommended by the American Medical Association (AMA) is often used for scholarly writing about medicine or health-related topics, or about other subjects in the sciences. In the AMA style, references to a work or parts of a work inside the text of a paper take the form of numbered citations. Only the number appears in the text itself; the reference preceded by the same number is included in a list at the end of your paper. (Note that this format differs from the notes-and-bibliography system of the Chicago style and should not be confused with the latter).