APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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