APA (7th ed.) Citation

Cohen, N. S. (1989). The American presidents: An annotated bibliography. Salem Press.

Chicago Style (17th ed.) Citation

Cohen, Norman S. The American Presidents: An Annotated Bibliography. Pasadena, Calif.: Salem Press, 1989.

MLA (8th ed.) Citation

Cohen, Norman S. The American Presidents: An Annotated Bibliography. Salem Press, 1989.