APA (7th ed.) Citation

Fay, S. B. (1966). The origins of the World War (2d ed., rev.). Free Press.

Chicago Style (17th ed.) Citation

Fay, Sidney Bradshaw. The Origins of the World War. 2d ed., rev. New York: Free Press, 1966.

MLA (9th ed.) Citation

Fay, Sidney Bradshaw. The Origins of the World War. 2d ed., rev. Free Press, 1966.