MLA

Book of Hours (Office of the Dead) (Fragment). 0AD. https://collections.library.yale.edu/catalog/2004130.

APA, 6th edition

Book of Hours (Office of the Dead) (fragment). (0 C.E.). [Prayers and devotions, Books of hours, Manuscripts, Medieval France 15th century, Manuscripts, Medieval Belgium 15th century, Manuscripts, Medieval Netherlands 15th century, Medieval and Renaissance Manuscript Fragments in Beinecke Library, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/2004130.