O'Brien, J. A. (1940). How to find Christ's Church: Charts show the way. [Catholic Information Society].
Cita Chicago Style (17a ed.)O'Brien, John A. How to Find Christ's Church: Charts Show the Way. [New York]: [Catholic Information Society], 1940.
Cita MLA (8a ed.)O'Brien, John A. How to Find Christ's Church: Charts Show the Way. [Catholic Information Society], 1940.
Precaución: Estas citas no son 100% exactas.