APA style was developed by the American Psychological Association. The social sciences often use APA style for documenting sources.
Turabian style is named for its developer Kate Turabian, and is used in various disciplines, including history. This style is sometimes referred to as Chicago style since it is based on The Chicago Manual of Style.
MLA was developed by the Modern Language Association. The humanities typically use MLA format to cite sources.
Use the following guides to writing an annotated bibliography.