Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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