APA (7th ed.) Citation

McLellan, D. S. (1960). The theory and practice of international relations. Prentice-Hall.

Chicago Style (17th ed.) Citation

McLellan, David S. The Theory and Practice of International Relations. Englewood Cliffs, N.J.: Prentice-Hall, 1960.

MLA (9th ed.) Citation

McLellan, David S. The Theory and Practice of International Relations. Prentice-Hall, 1960.