APA (7th ed.) Citation

Farrell, J. C., & Smith, A. P. (1967). Theory and reality in international relations. Columbia University Press.

Chicago Style (17th ed.) Citation

Farrell, John C., and Asa P. Smith. Theory and Reality in International Relations. New York: Columbia University Press, 1967.

MLA (9th ed.) Citation

Farrell, John C., and Asa P. Smith. Theory and Reality in International Relations. Columbia University Press, 1967.