Cita APA (7a ed.)

Butler, C., & Butler, C. (1962). The Vatican Council, 1869-1870: Based on bishop Ullathorne's letters. The Newman Press.

Cita Chicago Style (17a ed.)

Butler, Cuthbert, y Christopher Butler. The Vatican Council, 1869-1870: Based on Bishop Ullathorne's Letters. Westminster, Maryland: The Newman Press, 1962.

Cita MLA (9a ed.)

Butler, Cuthbert, y Christopher Butler. The Vatican Council, 1869-1870: Based on Bishop Ullathorne's Letters. The Newman Press, 1962.