Encyclopedia of philosophy; 8 volumes

MLA

Edwards, P. (ed.). Encyclopedia of Philosophy; 8 Volumes. New York: Macmillan Publishing Co, Inc. & The Free Press, 1972.

APA

Edwards, P. (ed.). (1972). Encyclopedia of philosophy; 8 volumes. New York: Macmillan Publishing Co, Inc. & The Free Press.

Chicago

Edwards, P. (ed.) Encyclopedia of Philosophy; 8 Volumes. New York: Macmillan Publishing Co, Inc. & The Free Press, 1972.