Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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