APA (7th ed.) Zitazioa

Kaufmann, W. (1961). Philosophic classics. Prentice-Hall.

Chicago Style (17th ed.) Zitazioa

Kaufmann, Walter. Philosophic Classics. Englewood Cliffs, N.J: Prentice-Hall, 1961.

MLA (9th ed.) Zitazioa

Kaufmann, Walter. Philosophic Classics. Prentice-Hall, 1961.