Butler, J. D. (1951). Four philosophies and their practice in education and religion. Harper.
芝加哥风格引文Butler, James Donald. Four Philosophies and Their Practice in Education and Religion. New York: Harper, 1951.
MLA引文Butler, James Donald. Four Philosophies and Their Practice in Education and Religion. Harper, 1951.
警告：这些引文格式不一定是100％准确.