(1967). The encyclopedia of philosophy. Macmillan and Free Press.
Chicago Style (17th ed.) ZitazioaThe Encyclopedia of Philosophy. New York: Macmillan and Free Press, 1967.
MLA (9th ed.) ZitazioaThe Encyclopedia of Philosophy. Macmillan and Free Press, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.