Cita APA (7a ed.)
Sabine, G. H. (1973). A history of political theory (4th ed.). Dryden Press.
Cita Chicago Style (17a ed.)
Sabine, George H. A History of Political Theory. 4th ed. Illinois: Dryden Press, 1973.
Cita MLA (9a ed.)
Sabine, George H. A History of Political Theory. 4th ed. Dryden Press, 1973.
Precaución: Estas citas no son 100% exactas.