APA (7th ed.) Citation

Berry, N. O., & Roskin, M. G. (1997). IR: The new world of international relations (3rd ed.). Prentice-Hall, Inc.

Chicago Style (17th ed.) Citation

Berry, Nicholas O., and Michael G. Roskin. IR: The New World of International Relations. 3rd ed. New Jersey: Prentice-Hall, Inc, 1997.

MLA (9th ed.) Citation

Berry, Nicholas O., and Michael G. Roskin. IR: The New World of International Relations. 3rd ed. Prentice-Hall, Inc, 1997.