MLA

Vitae Sanctorum (Fragment). 0AD. https://collections.library.yale.edu/catalog/16371290.

APA, 6th edition

Vitae sanctorum (fragment). (0 C.E.). [Early works to 1800, Manuscripts, Medieval Italy 12th century, Manuscripts, Medieval Italy 13th century, Medieval and Renaissance Manuscript Fragments in Beinecke Library, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/16371290.