Roskin & Berry. (2004). IR: The new world of international relations (6th ed.). Prentice Hall.
Chicago Style (17th ed.) CitationRoskin and Berry. IR: The New World of International Relations. 6th ed. Upper Saddle River, New Jersey: Prentice Hall, 2004.
MLA (8th ed.) CitationRoskin and Berry. IR: The New World of International Relations. 6th ed. Prentice Hall, 2004.
Warning: These citations may not always be 100% accurate.