Cita APA (7a ed.)

O'Collins, G., & Farrugia, M. (2003). Catholicism: The story of catholic christianity. Oxford University Press.

Cita Chicago Style (17a ed.)

O'Collins, Gerald, y Mario Farrugia. Catholicism: The Story of Catholic Christianity. Oxford: Oxford University Press, 2003.

Cita MLA (9a ed.)

O'Collins, Gerald, y Mario Farrugia. Catholicism: The Story of Catholic Christianity. Oxford University Press, 2003.