AMA Style: The Basics for Pharmacy Writing: Edited Book

Note:  Pay attention to your capitalization in book titles.

Editor(s), ed. Book Title. Edition number (do not indicate 1st edition). City, State (or, Province or Country) of publication: Publisher name; most recent copyright year.

Example

1. Tatro DS, ed. Drug Interaction Facts: The  Authority on Drug Interactions. Wolters Kluwer; 2011.