Cita APA (7a ed.)

Butler, J. D. (1951). Four philosophies and their practice in education and religion. Harper.

Cita Chicago Style (17a ed.)

Butler, J. Donald. Four Philosophies and Their Practice in Education and Religion. New York: Harper, 1951.

Cita MLA (9a ed.)

Butler, J. Donald. Four Philosophies and Their Practice in Education and Religion. Harper, 1951.