Gregorio I, . P., & Micheletti, A. M. (1904). S. Gregorii papae cognomento Magni "Regula pastoralis". Desclee, Lefebvre et C.
Chicago Style (17th ed.) CitationGregorio I, Papa, and Antonio Maria Micheletti. S. Gregorii Papae Cognomento Magni "Regula Pastoralis". Roma [etc.]: Desclee, Lefebvre et C, 1904.
MLA (9th ed.) CitationGregorio I, Papa, and Antonio Maria Micheletti. S. Gregorii Papae Cognomento Magni "Regula Pastoralis". Desclee, Lefebvre et C, 1904.
Warning: These citations may not always be 100% accurate.