Cita APA (7th ed.)
Sabine, G. H., & Thorson, T. L. (1973). A history of political theory (4th ed.). Dryden Press, Oxford & IBH Publishing.
Cita Chicago (17th ed.)
Sabine, George Holland, i Thomas Landon Thorson. A History of Political Theory. 4th ed. Hinsdale, Ill. : New Delhi: Dryden Press, Oxford & IBH Publishing, 1973.
Cita MLA (9th ed.)
Sabine, George Holland, i Thomas Landon Thorson. A History of Political Theory. 4th ed. Dryden Press, Oxford & IBH Publishing, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.