APA (7th ed.) Citation
Ferrell, R. H. (1988). American Diplomacy: <The> Twentieth Century (1. ed.). Norton.
Chicago Style (17th ed.) Citation
Ferrell, Robert H. American Diplomacy: <The> Twentieth Century. 1. ed. New York: Norton, 1988.
MLA (9th ed.) Citation
Ferrell, Robert H. American Diplomacy: <The> Twentieth Century. 1. ed. Norton, 1988.
Warning: These citations may not always be 100% accurate.