Cita APA (7a ed.)

Gulley, N. (1962). Plato's theory of knowledge. Methuen.

Cita Chicago Style (17a ed.)

Gulley, Norman. Plato's Theory of Knowledge. London: Methuen, 1962.

Cita MLA (9a ed.)

Gulley, Norman. Plato's Theory of Knowledge. Methuen, 1962.