Cita APA

Easton, D. (1953). Political System: An Inquiry into the State of Political Science (2nd ed.). Scientific book agency.

Chicago Edition Citation

Easton, David. Political System: An Inquiry into the State of Political Science. 2nd ed. New York: Scientific book agency, 1953.

Cita MLA

Easton, David. Political System: An Inquiry into the State of Political Science. 2nd ed. Scientific book agency, 1953.