Cite

Dialogi; Sermons; Life of St. Simeon

MLA

Gregory, I, Pope, ca. 540-604, creator. Dialogi; Sermons; Life of St. Simeon. between 950 and 1150. https://collections.library.yale.edu/catalog/9998889.

APA, 6th edition

Gregory, I, Pope, ca. 540-604, creator. (between 950 and 1150)[Dialogi; Sermons; Life of St. Simeon]. https://collections.library.yale.edu/catalog/9998889.