Cita APA (7th ed.)

De Grazia, A., & By Stevenson , T. . H. (1966). World politics: A study in international relations (2nd ed.). Barnes and Noble.

Cita Chicago (17th ed.)

De Grazia, Alfred, i Thomas H. By Stevenson. World Politics: A Study in International Relations. 2nd ed. New York: Barnes and Noble, 1966.

Cita MLA (9th ed.)

De Grazia, Alfred, i Thomas H. By Stevenson. World Politics: A Study in International Relations. 2nd ed. Barnes and Noble, 1966.