APA (7th ed.) Citation

Baumgardt, D. (1961). Great Western Mystics: Their lasting significance. Columbia University Press.

Chicago Style (17th ed.) Citation

Baumgardt, David. Great Western Mystics: Their Lasting Significance. New York: Columbia University Press, 1961.

MLA (9th ed.) Citation

Baumgardt, David. Great Western Mystics: Their Lasting Significance. Columbia University Press, 1961.