An annotated bibliography is a list of the sources (e.g. books, journal articles, data, news articles, etc.) that you will use to research a topic in preparation for writing your research paper.
In an annotated bibliography, each source in the list is followed by a brief descriptive and evaluative paragraph of 4-5 sentences (approx. 150 words or more), which includes its relevance to your paper topic and argument.
An annotated bibliography entry consists of two components: the Citation and the Annotation.
The citation should be formatted in the Chicago Bibliographic style. For more information, see Purdue Online Writing Lab's Chicago Manual of Style.
Generally, an annotation is approximately 150-350 words in length (one paragraph).
An annotation may include the following information:
The quality and usefulness of your bibliography will depend on your selection of sources. Define the scope of your research carefully so that you can make good judgments about what to include and exclude. Your research should attempt to be reasonably comprehensive within well-defined boundaries. Consider these questions to help you find appropriate limits for your research:
Here are some examples of Chicago citations by resource type: