APA

Gerberding W. P., . (1966). United States foreign policy: perspectives and analysis. New York: McGraw-Hill.

Chicago

Gerberding William P, . 1966. United States foreign policy: perspectives and analysis. New York: McGraw-Hill.

Harvard

Gerberding W. P., . (1966). United States foreign policy: perspectives and analysis. New York: McGraw-Hill.

MLA

Gerberding William P, . United States foreign policy: perspectives and analysis. New York: McGraw-Hill. 1966.