APA (7th ed.) Citation

Perry, R. L., & Robertson, J. D. (2002). Comparative analysis of nations: Quantitative approaches. Westview Press.

Chicago Style (17th ed.) Citation

Perry, Robert L., and John D. Robertson. Comparative Analysis of Nations: Quantitative Approaches. Boulder, Colo.: Westview Press, 2002.

MLA (9th ed.) Citation

Perry, Robert L., and John D. Robertson. Comparative Analysis of Nations: Quantitative Approaches. Westview Press, 2002.