What is an Annotated Bibliography?
An annotated bibliography is a list of citations to books, articles, and documents and follows the appropriate style format for the discipline, i.e., MLA, APA, Chicago Manual of Style, etc. Each citation is followed by a brief (usually about 150 words) annotation. The purpose of the annotation is to inform the reader of the relevance, accuracy, and quality of the sources cited. Unlike abstracts which are purely descriptive summaries often found at the beginning of scholarly journal articles or in periodical indexes, annotations are descriptive and critical; they expose the author's point of view, clarity and appropriateness of expression, and authority.
What to Include in an Annotation
After the citation of a source, begin writing your annotation. Your annotation should include information that summarizes the central theme and scope of the book or article. Include one or more sentences that:
The annotation should include most, if not all, of the following:
Information from: http://guides.library.cornell.edu/annotatedbibliography
Example of a Chicago Manual of Style Annotation