APA (7th ed.) Citation

Easton, D. (1981). The political system: An inquiry into the state of political science (Second edition.). University of Chicago Press.

Chicago Style (17th ed.) Citation

Easton, David. The Political System: An Inquiry into the State of Political Science. Second edition. Chicago: University of Chicago Press, 1981.

MLA (9th ed.) Citation

Easton, David. The Political System: An Inquiry into the State of Political Science. Second edition. University of Chicago Press, 1981.