APA (7th ed.) Citation

Easton, D., Gunnel, J. G., & Graziano, L. (2002). The Development of political science: A comparative survey. Routledge.

Chicago Style (17th ed.) Citation

Easton, David, John G. Gunnel, and Luigi Graziano. The Development of Political Science: A Comparative Survey. London ; New York: Routledge, 2002.

MLA (9th ed.) Citation

Easton, David, et al. The Development of Political Science: A Comparative Survey. Routledge, 2002.