Cita APA (7a ed.)

O'Neill, J. M. (1952). Catholicism and American freedom. Harper & Brothers.

Cita Chicago Style (17a ed.)

O'Neill, James M. Catholicism and American Freedom. New York: Harper & Brothers, 1952.

Cita MLA (9a ed.)

O'Neill, James M. Catholicism and American Freedom. Harper & Brothers, 1952.