Catholic Church. Pope, Gesellschaft der Wissenschaften zu Göttingen, & Kehr, P. F. (1906). Regesta pontificvm romanorvm. Apvd Weidmannos.
Chicago Style (17th ed.) CitationCatholic Church. Pope, Gesellschaft der Wissenschaften zu Göttingen, and Paul Fridolin Kehr. Regesta Pontificvm Romanorvm. Berolini: Apvd Weidmannos, 1906.
MLA (9th ed.) CitationCatholic Church. Pope, et al. Regesta Pontificvm Romanorvm. Apvd Weidmannos, 1906.
Warning: These citations may not always be 100% accurate.