Cita APA (7th ed.)

O'Brien, J. A. (1974). The faith of millions: The credentials of the catholic religion (17a. ed.). The University Of Notre Dame.

Cita Chicago (17th ed.)

O'Brien, John Anthony. The Faith of Millions: The Credentials of the Catholic Religion. 17a. ed. Indianápolis: The University Of Notre Dame, 1974.

Cita MLA (9th ed.)

O'Brien, John Anthony. The Faith of Millions: The Credentials of the Catholic Religion. 17a. ed. The University Of Notre Dame, 1974.