APA (7th ed.) Citation

Kennan, G. F. (1951). American diplomacy 1900-1950. New American.

Chicago Style (17th ed.) Citation

Kennan, George F. American Diplomacy 1900-1950. Nueva York: New American, 1951.

MLA (9th ed.) Citation

Kennan, George F. American Diplomacy 1900-1950. New American, 1951.