APA (7th ed.) Citation

Roskin, M. G., & Berry, N. O. (2005). IR: The new World of international relations. Prentice Hall.

Chicago Style (17th ed.) Citation

Roskin, Michael G., and Nicholas O. Berry. IR: The New World of International Relations. Upper Saddle River, New Jersey: Prentice Hall, 2005.

MLA (9th ed.) Citation

Roskin, Michael G., and Nicholas O. Berry. IR: The New World of International Relations. Prentice Hall, 2005.