MLA

Martin, of Braga, Saint, ca. 515-579 or 80. Vitae Patrum. [between 1400 and 1500]. https://collections.library.yale.edu/catalog/11007503.

APA, 6th edition

Martin, of Braga, Saint, ca. 515-579 or 80. ([between 1400 and 1500])[Vitae Patrum]. https://collections.library.yale.edu/catalog/11007503.