APA-referens (7:e uppl.)

McDowall, S. A. (1915). Evolution and spiritual life. The University press.

Chicago-referens (17:e uppl.)

McDowall, Stewart Andrew. Evolution and Spiritual Life. Cambridge: The University press, 1915.

MLA-referens (8:e uppl.)

McDowall, Stewart Andrew. Evolution and Spiritual Life. The University press, 1915.