APA (7th ed.) Citation

Singer, J. D. (1990). Models, methods, and progress in world politics: A peace research Odyssey. Westview Pr..

Chicago Style (17th ed.) Citation

Singer, J. David. Models, Methods, and Progress in World Politics: A Peace Research Odyssey. Boulder, Colo.: Westview Pr., 1990.

MLA (9th ed.) Citation

Singer, J. David. Models, Methods, and Progress in World Politics: A Peace Research Odyssey. Westview Pr., 1990.