Style de citation APA (7e éd.)

Whitney, D. C., & Whitney, R. V. (1990). The American presidents (7th ed.). Prentice Hall Press.

Style de citation Chicago (17e éd.)

Whitney, David C., et Robin Vaughn Whitney. The American Presidents. 7th ed. New York: Prentice Hall Press, 1990.

Style de citation MLA (9e éd.)

Whitney, David C., et Robin Vaughn Whitney. The American Presidents. 7th ed. Prentice Hall Press, 1990.