APA (7th ed.) Citation

Clark, J. M. (1970). The costs of the World War to the American people. A. M. Kelley.

Chicago Style (17th ed.) Citation

Clark, John Maurice. The Costs of the World War to the American People. New York: A. M. Kelley, 1970.

MLA (8th ed.) Citation

Clark, John Maurice. The Costs of the World War to the American People. A. M. Kelley, 1970.