APA (7th ed.) Citation

Smith, G. (1965). American diplomacy during the second World War, 1941-1945.

Chicago Style (17th ed.) Citation

Smith, Gaddis. American Diplomacy During the Second World War, 1941-1945. 1965.

MLA (9th ed.) Citation

Smith, Gaddis. American Diplomacy During the Second World War, 1941-1945. 1965.

Warning: These citations may not always be 100% accurate.