O'Brien, E. F. (1992). The American Catholic Heritage: [United States Catholic Conference. Pref.: Edwin F. O'Brien]. Pontifical North American College.
Chicago-Zitierstil (17. Ausg.)O'Brien, Edwin F. The American Catholic Heritage: [United States Catholic Conference. Pref.: Edwin F. O'Brien]. Rome: Pontifical North American College, 1992.
MLA-Zitierstil (8. Ausg.)O'Brien, Edwin F. The American Catholic Heritage: [United States Catholic Conference. Pref.: Edwin F. O'Brien]. Pontifical North American College, 1992.
警告：这些引文格式不一定是100％准确.