Iglesia Católica Papa (1227-1241: Gregorio IX) & Gregorio IX, P. (1596). Decretales D. Gregorii Papae IX: Suae integritati restitutae . [s.n.].
Chicago Style (17th ed.) CitationIglesia Católica Papa (1227-1241: Gregorio IX) and Papa Gregorio IX. Decretales D. Gregorii Papae IX: Suae Integritati Restitutae . Lugduni: [s.n.], 1596.
MLA (9th ed.) CitationIglesia Católica Papa (1227-1241: Gregorio IX) and Papa Gregorio IX. Decretales D. Gregorii Papae IX: Suae Integritati Restitutae . [s.n.], 1596.
Warning: These citations may not always be 100% accurate.