An annotated bibliography provides descriptions and evaluations of sources on a particular topic. The document explains that an annotated bibliography includes an alphabetized list of citations followed by brief annotations that describe the content, quality and usefulness of each source for researching the topic. Annotations typically are one paragraph and include a purpose, summary and evaluation of the source material. The document provides an example of an annotated bibliography entry in Turabian format to illustrate the proper structure and components.