APA-referens (7:e uppl.)

Clark, A. M. (1893). What are we doing for non-Catholics? Catholic Book Exchange.

Chicago-referens (17:e uppl.)

Clark, Arthur M. What Are We Doing for Non-Catholics? New York: Catholic Book Exchange, 1893.

MLA-referens (8:e uppl.)

Clark, Arthur M. What Are We Doing for Non-Catholics? Catholic Book Exchange, 1893.