Here's an example of an entry from an annotated bibliography, with the citation of the book in Turabian style and a brief description of the book:
Garrow, David J. Protest at Selma: Martin Luther King and the Voting Rights Act of 1965. New Haven: Yale University Press, 1978.
Garrow describes how the strategy of protest employed by Martin Luther King, Jr., and SCLC at Selma influenced the emergence of the Voting Rights Act of 1965. He contends that the choice of Selma as a site for civil rights protests and the specific tactics that SCLC adopted in Selma were part of a plan to force the introduction and passage of national voting rights legislation. The foremost consideration in this campaign was the need to elicit "unprovoked white violence aimed at peaceful and unresisting civil rights demonstrators." Garrow argues that at Selma "a strategy that bordered on nonviolent provocation supplanted the earlier belief in nonviolent persuasion." SCLC correctly assumed that police violence would generate national media coverage and this, in turn, would stimulate reactions "throughout the country, and especially Washington," leading to pressure for federal voting rights legislation.
(Example from: The Civil Rights Movement: References and Resources, by Paul T. Murray. New York: G.K. Hall & Co., 1993.)
Annotated Bibliographies and Annotated Bibliography Samples (from Purdue Online Writing Lab)
How to Prepare an Annotated Bibliography (from Olin Library Reference, Cornell University Library)
Cremmins, Edward T. The Art of Abstracting. 2nd ed. Arlington, Va: Information Resources Press, 1996
American Psychological Association. Publication Manual of the American Psychological Association. 6th ed. Washington, DC: American Psychological Association, 2010.
Modern Language Association of America. MLA Handbook for Writers of Research Papers. 7th ed. New York: Modern Language Association of America, 2009.
Turabian, Kate L., John Grossman, and Alice Bennett. A Manual for Writers of Research Papers, Theses, and Dissertations : Chicago Style for Students and Researchers. 8th /rev. by Wayne C. Booth, Gregory G. Colomb, Joseph M. Williams et al. Chicago: University of Chicago Press, 2013.
University of Chicago. The Chicago Manual of Style. 16th ed. Chicago: University of Chicago Press, 2010. Online http://go.middlebury.edu/chicago