MLA

Butler, J. Donald. Four Philosophies : and Their Practice In Education and Religion. 3d ed. New York,: Harper & Row, 1968.

APA

Butler, J. Donald. (1968). Four philosophies : and their practice in education and religion. 3d ed. New York,: Harper & Row.

Chicago

Butler, J. Donald Four Philosophies: And Their Practice In Education and Religion. 3d ed. New York,: Harper & Row, 1968.