An annotated bibliography is a list of references with an added feature - a paragraph below each reference called an annotation.
An annotation may include the following information:
Your instructor will explain the details she/he wants included in an annotation for a specific assignment.
The annotations for each source are written in paragraph form. The length of the annotations can vary depending on the purpose and your instructor's directions.
Information adapted from the Annotated Bibliographies created by the OWL Purdue Online Writing Lab.
Depending on the assignment, the annotated bibliography may serve a number of purposes, including but not limited to:
Always ask your instructor what she wants you to include and if there are any formatting guidelines she would like followed.