Cita APA (7th ed.)

Aaron, R. I. (1952). The theory of Universals. Clarendon Pr..

Cita Chicago (17th ed.)

Aaron, R. I. The Theory of Universals. Oxford: Clarendon Pr., 1952.

Cita MLA (9th ed.)

Aaron, R. I. The Theory of Universals. Clarendon Pr., 1952.