APA (7th ed.) Citation

Clark, W. H. (1973). The Phenomena of Religious Experience. Religious experience, 21-40.

Chicago Style (17th ed.) Citation

Clark, Walter Houston. "The Phenomena of Religious Experience." Religious Experience 1973: 21-40.

MLA (9th ed.) Citation

Clark, Walter Houston. "The Phenomena of Religious Experience." Religious Experience, 1973, pp. 21-40.