APA
Edwards Paul, . (1967). Encyclopedia of philosophy volume 3,4. New York: Macmillan Publishing Company.
Chicago
Edwards Paul, . 1967. Encyclopedia of philosophy volume 3,4. New York: Macmillan Publishing Company.
Harvard
Edwards Paul, . (1967). Encyclopedia of philosophy volume 3,4. New York: Macmillan Publishing Company.
MLA
Edwards Paul, . Encyclopedia of philosophy volume 3,4. New York: Macmillan Publishing Company. 1967.