APA (7th ed.) Citation

Dougherty, J. E., & Pfaltzgraff, R. L. (1981). Contending theories of international relations: A comprehensive survey (2. ed.). Harper & Row.

Chicago Style (17th ed.) Citation

Dougherty, James E., and Robert L. Pfaltzgraff. Contending Theories of International Relations: A Comprehensive Survey. 2. ed. New York u.a: Harper & Row, 1981.

MLA (9th ed.) Citation

Dougherty, James E., and Robert L. Pfaltzgraff. Contending Theories of International Relations: A Comprehensive Survey. 2. ed. Harper & Row, 1981.