Dagobert D.Runes. (1955). Treasury of philosophy. Philosophical Library.
Cita Chicago (17th ed.)Dagobert D.Runes. Treasury of Philosophy. New York: Philosophical Library, 1955.
Cita MLA (9th ed.)Dagobert D.Runes. Treasury of Philosophy. Philosophical Library, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.