Runes, D. D. (1960). Dictionary of Philosophy (15a. ed.). Philosophical Library.
Cita Chicago (17th ed.)Runes, Dagobert D. Dictionary of Philosophy. 15a. ed. Nueva York: Philosophical Library, 1960.
Cita MLA (9th ed.)Runes, Dagobert D. Dictionary of Philosophy. 15a. ed. Philosophical Library, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.