Cita APA (7a ed.)

O'Brien, J. A., Dougherty, D. J., & O'Connell, W. (1938). The faith of millions: Credentials of the Catholic Religion (4th ed.). Our Sunday Visitor.

Cita Chicago Style (17a ed.)

O'Brien, John A., Denis J. Dougherty, y William O'Connell. The Faith of Millions: Credentials of the Catholic Religion. 4th ed. Huntington: Our Sunday Visitor, 1938.

Cita MLA (9a ed.)

O'Brien, John A., et al. The Faith of Millions: Credentials of the Catholic Religion. 4th ed. Our Sunday Visitor, 1938.