Cita APA (7th ed.)

Wendzel, R. L. (1977). International relations: A policymaker focus. Wiley.

Cita Chicago (17th ed.)

Wendzel, Robert L. International Relations: A Policymaker Focus. New York: Wiley, 1977.

Cita MLA (9th ed.)

Wendzel, Robert L. International Relations: A Policymaker Focus. Wiley, 1977.