Cita APA (7th ed.)

George H.Sabine. (1973). A history of political theory. Oxford and IBH.

Cita Chicago (17th ed.)

George H.Sabine. A History of Political Theory. New Delhi: Oxford and IBH, 1973.

Cita MLA (9th ed.)

George H.Sabine. A History of Political Theory. Oxford and IBH, 1973.