APA (7th ed.) Citation

Combs, J. A. (1986). The history of American foreign policy. Knopf.

Chicago Style (17th ed.) Citation

Combs, Jerald A. The History of American Foreign Policy. New York: Knopf, 1986.

MLA (9th ed.) Citation

Combs, Jerald A. The History of American Foreign Policy. Knopf, 1986.