Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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