Style de citation APA (7e éd.)

Spero, J. E. (1981). The politics of international relations (2nd ed.). St. Martin's Press.

Style de citation Chicago (17e éd.)

Spero, Joan Edelman. The Politics of International Relations. 2nd ed. New York: St. Martin's Press, 1981.

Style de citation MLA (9e éd.)

Spero, Joan Edelman. The Politics of International Relations. 2nd ed. St. Martin's Press, 1981.