Butler, E. C. (1966). Western Mysticism: The Teaching of Augustine, Gregory and Bernard on Contemplation and the Contemplative Life. Harper and Row.
Chicago Style (17th ed.) CitationButler, Edward Cuthbert. Western Mysticism: The Teaching of Augustine, Gregory and Bernard on Contemplation and the Contemplative Life. New York: Harper and Row, 1966.
MLA (9th ed.) CitationButler, Edward Cuthbert. Western Mysticism: The Teaching of Augustine, Gregory and Bernard on Contemplation and the Contemplative Life. Harper and Row, 1966.
Warning: These citations may not always be 100% accurate.