Cita APA (7a ed.)

Olson, W. C. (1991). The theory and practice of international relations (8th ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Olson, William C. The Theory and Practice of International Relations. 8th ed. Englewood Cliffs: Prentice Hall, 1991.

Cita MLA (9a ed.)

Olson, William C. The Theory and Practice of International Relations. 8th ed. Prentice Hall, 1991.