APA-referens (7:e uppl.)

Smith, W. J. (1954). The mystery of Knock. Paulist Press.

Chicago-referens (17:e uppl.)

Smith, William J. The Mystery of Knock. New York: Paulist Press, 1954.

MLA-referens (8:e uppl.)

Smith, William J. The Mystery of Knock. Paulist Press, 1954.