APA (7th ed.) Citation

Roskin, M. G., & Berry, N. O. (2008). IR: The new world of international relations (7th ed.). Pearson/Prentice Hall.

Chicago Style (17th ed.) Citation

Roskin, Michael G., and Nicholas O. Berry. IR: The New World of International Relations. 7th ed. Upper Saddle River, New Jersey: Pearson/Prentice Hall, 2008.

MLA (9th ed.) Citation

Roskin, Michael G., and Nicholas O. Berry. IR: The New World of International Relations. 7th ed. Pearson/Prentice Hall, 2008.