APA (7th ed.) Citation

Catlin, G. E. G. (1950). A history of the political philosophers. Allen & Unwin.

Chicago Style (17th ed.) Citation

Catlin, George Edward Gordon. A History of the Political Philosophers. London: Allen & Unwin, 1950.

MLA (9th ed.) Citation

Catlin, George Edward Gordon. A History of the Political Philosophers. Allen & Unwin, 1950.