Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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