APA (7th ed.) Citation

Roskin & Berry. (2002). IR: The new world of international relations (5th ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Roskin and Berry. IR: The New World of International Relations. 5th ed. Upper Saddle River, New Jersey: Prentice Hall, 2002.

MLA (8th ed.) Citation

Roskin and Berry. IR: The New World of International Relations. 5th ed. Prentice Hall, 2002.