Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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