Cite

Graduale romanum : Italian origin, late 15th century : Benedictine

MLA

Church, Catholic. Graduale Romanum : Italian Origin, Late 15th Century : Benedictine. 0AD. https://collections.library.yale.edu/catalog/11018244.

APA, 6th edition

Church, C. (0 C.E.). Graduale romanum : Italian origin, late 15th century : Benedictine. https://collections.library.yale.edu/catalog/11018244.