Cita APA

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

Citación estilo Chicago

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

Cita MLA

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