Mullooly, J. (1873). Saint Clement, Pope and martyr, and his basilica in Rome (2nd. ed., enl. and improved.). Printed by G. Barbera.
Chicago-referens (17:e uppl.)Mullooly, Joseph. Saint Clement, Pope and Martyr, and His Basilica in Rome. 2nd. ed., enl. and improved. Rome: Printed by G. Barbera, 1873.
MLA-referens (8:e uppl.)Mullooly, Joseph. Saint Clement, Pope and Martyr, and His Basilica in Rome. 2nd. ed., enl. and improved. Printed by G. Barbera, 1873.
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