Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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