APA-Zitierstil (7. Ausg.)

Easton, D. (1971). The political system: An inquiry into the state of political science (2.ed.). Knopf.

Chicago-Zitierstil (17. Ausg.)

Easton, David. The Political System: An Inquiry into the State of Political Science. 2.ed. New York: Knopf, 1971.

MLA-Zitierstil (9. Ausg.)

Easton, David. The Political System: An Inquiry into the State of Political Science. 2.ed. Knopf, 1971.