Cite

Dialogi; Sermons; Life of St. Simeon

MLA

Gregory I, Pope, approximately 540-604. Dialogi; Sermons; Life of St. Simeon. [between 950 and 1150]. https://collections.library.yale.edu/catalog/17418520.

APA, 6th edition

Gregory I, Pope, approximately 540-604. ([between 950 and 1150])[Dialogi; Sermons; Life of St. Simeon]. https://collections.library.yale.edu/catalog/17418520.