APA (7th ed.) Citation

Kegley, C. W., & Wittkopf, E. R. (1979). American foreign policy: Pattern and process. St. Martin's Press.

Chicago Style (17th ed.) Citation

Kegley, Charles W., and Eugene R. Wittkopf. American Foreign Policy: Pattern and Process. New York: St. Martin's Press, 1979.

MLA (9th ed.) Citation

Kegley, Charles W., and Eugene R. Wittkopf. American Foreign Policy: Pattern and Process. St. Martin's Press, 1979.