Butler, J. D. (1951). Four philosophies and their practice in education and religion. Harper.
Citação norma ChicagoButler, James Donald. Four Philosophies and Their Practice in Education and Religion. New York: Harper, 1951.
Citação norma MLAButler, James Donald. Four Philosophies and Their Practice in Education and Religion. Harper, 1951.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.