Cita APA (7a ed.)

Wright, Q. (1955). The study of international relations. Appleton-Century-Crofts.

Cita Chicago Style (17a ed.)

Wright, Quincy. The Study of International Relations. New York: Appleton-Century-Crofts, 1955.

Cita MLA (9a ed.)

Wright, Quincy. The Study of International Relations. Appleton-Century-Crofts, 1955.