The examples on this page use the recently released Chicago Manual of Style 18th edition. Punctuation is important. Use the same punctuation and formatting as the order instructions and examples. Use ...

This guide provides a basic introduction to the American Medical Association (AMA) citation style. It is based on the 11th edition of the AMA Manual of Style. Below are examples for the most common ...

O'Brien and Alenno (10) reported that... More than two authors: provide the surname of the first author listed, and then "et al." Finnegan et al. (11) described the importance of... Note: This is ...

On two occasions recently, peer reviewers of manuscripts we submitted for possible publication recommended manuscript revisions that included citations to minor, tangentially related articles, ...