APA (7th ed.) Citation

Knowles, D. (1961). The English mystical tradition ([1st ed.].). Harper.

Chicago Style (17th ed.) Citation

Knowles, David. The English Mystical Tradition. [1st ed.]. New York: Harper, 1961.

MLA (9th ed.) Citation

Knowles, David. The English Mystical Tradition. [1st ed.]. Harper, 1961.