APA (7th ed.) Citation

Beard, C. A. (1940). A foreign policy for America. A. A. Knopf.

Chicago Style (17th ed.) Citation

Beard, Charles Austin. A Foreign Policy for America. New York: A. A. Knopf, 1940.

MLA (9th ed.) Citation

Beard, Charles Austin. A Foreign Policy for America. A. A. Knopf, 1940.