Cita APA (7th ed.)

De George, R. T. (1962). Classical and contemporary metaphysics. Holt, Rinehart and Winston.

Cita Chicago (17th ed.)

De George, Richard T. Classical and Contemporary Metaphysics. Nueva York: Holt, Rinehart and Winston, 1962.

Cita MLA (9th ed.)

De George, Richard T. Classical and Contemporary Metaphysics. Holt, Rinehart and Winston, 1962.