APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Sabine, George H. A History of Political Theory. 3rd ed. revised and enlarged. London: Harrap, 1963.

MLA (9th ed.) Citation

Sabine, George H. A History of Political Theory. 3rd ed. revised and enlarged. Harrap, 1963.

Warning: These citations may not always be 100% accurate.