APA-viite

Kaplan, M. A. (1957). System and process in international politics. John Wiley and Sons.

Chicago-tyylinen lähdeviittaus

Kaplan, Morton A. System and Process in International Politics. New York: John Wiley and Sons, 1957.

MLA-viite

Kaplan, Morton A. System and Process in International Politics. John Wiley and Sons, 1957.