APA (7th ed.) Citation

Catholic Church. (1487). Incipit officium beate Marie virginis secundu[m] co[n]suetudine[m] Romane curie.

Chicago Style (17th ed.) Citation

Catholic Church. Incipit Officium Beate Marie Virginis Secundu[m] Co[n]suetudine[m] Romane Curie. 1487.

MLA (8th ed.) Citation

Catholic Church. Incipit Officium Beate Marie Virginis Secundu[m] Co[n]suetudine[m] Romane Curie. 1487.

Warning: These citations may not always be 100% accurate.