Cita APA (7a ed.)

Olson, W. C. (1987). The theory and practice of international relations (7th ed.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Olson, William Clinton. The Theory and Practice of International Relations. 7th ed. New Jersey: Prentice-Hall, 1987.

Cita MLA (8a ed.)

Olson, William Clinton. The Theory and Practice of International Relations. 7th ed. Prentice-Hall, 1987.