APA (7th ed.) Citation

Nye, J. S., & Welch, D. A. (2013). Understanding global conflict and cooperation: An introduction to theory and history (9th ed.). Pearson.

Chicago Style (17th ed.) Citation

Nye, Joseph S., and David A. Welch. Understanding Global Conflict and Cooperation: An Introduction to Theory and History. 9th ed. Upper Saddle River, N.J: Pearson, 2013.

MLA (9th ed.) Citation

Nye, Joseph S., and David A. Welch. Understanding Global Conflict and Cooperation: An Introduction to Theory and History. 9th ed. Pearson, 2013.