Edwards, P. (1967). The encyclopedia of philosophy. Macmillan.
Cita Chicago (17th ed.)Edwards, Paul. The Encyclopedia of Philosophy. Estados Unidos: Macmillan, 1967.
Cita MLA (9th ed.)Edwards, Paul. The Encyclopedia of Philosophy. Macmillan, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.
