APA (7th ed.) Citation

Roskin, M. G., & By Berry , . N. . O. (2002). The New world of international relations (5th ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Roskin, Michael G., and Nicholas O. By Berry. The New World of International Relations. 5th ed. New Delhi: Prentice-Hall, 2002.

MLA (9th ed.) Citation

Roskin, Michael G., and Nicholas O. By Berry. The New World of International Relations. 5th ed. Prentice-Hall, 2002.