APA (7e ed.) Bronvermelding

Sabine, G. H., & Thorson, T. L. (1973). A history of political theory (4th ed.). Dryden Press fNational Book Storec.

Chicago (17e ed.) Bronvermelding

Sabine, George Holland, en Thomas Landon Thorson. A History of Political Theory. 4th ed. Hinsdale, Ill., eManila: Dryden Press fNational Book Storec, 1973.

MLA (9e ed.) Bronvermelding

Sabine, George Holland, en Thomas Landon Thorson. A History of Political Theory. 4th ed. Dryden Press fNational Book Storec, 1973.