Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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