APA (7th ed.) Citation

Aaron, R. I. (1952). The theory of universals. Clarendon Press.

Chicago Style (17th ed.) Citation

Aaron, Richard I. The Theory of Universals. Oxford [Eng.]: Clarendon Press, 1952.

MLA (8th ed.) Citation

Aaron, Richard I. The Theory of Universals. Clarendon Press, 1952.

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