MLA

Hours, Use Unidentified. 0AD. https://collections.library.yale.edu/catalog/10269840.

APA, 6th edition

Hours, use unidentified. (0 C.E.). [Prayers and devotions, Manuscripts, Medieval England 15th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/10269840.