APA (7th ed.) Citation

Sabine, G. H. (1963). A history of political theory (3rd ed.). Harrap.

Chicago Style (17th ed.) Citation

Sabine, George Holland. A History of Political Theory. 3rd ed. London: Harrap, 1963.

MLA (8th ed.) Citation

Sabine, George Holland. A History of Political Theory. 3rd ed. Harrap, 1963.