APA (7th ed.) Citation

Hermann, C. F., Kegley, C. W., & Rosenau, J. N. (1987). New directions in the study of foreign policy. HarperCollins Academic.

Chicago Style (17th ed.) Citation

Hermann, Charles F., Charles W. Kegley, and James N. Rosenau. New Directions in the Study of Foreign Policy. London: HarperCollins Academic, 1987.

MLA (9th ed.) Citation

Hermann, Charles F., et al. New Directions in the Study of Foreign Policy. HarperCollins Academic, 1987.