APA (7th ed.) Citation

Knowles, D. (1966). What is mysticismn. Burns & Oates.

Chicago Style (17th ed.) Citation

Knowles, David. What Is Mysticismn. London: Burns & Oates, 1966.

MLA (9th ed.) Citation

Knowles, David. What Is Mysticismn. Burns & Oates, 1966.