Book of hours [fragment]
MLA
Liturgy, Catholic Church., and ritual. Hours. Book of Hours [Fragment]. 0AD. https://collections.library.yale.edu/catalog/10520312.
APA, 6th edition
Liturgy, C. C., & ritual. Hours. (0 C.E.). Book of hours [fragment] [Decorated initials, fragments (AAT), Illuminated manuscripts, Manuscripts, Medieval]. https://collections.library.yale.edu/catalog/10520312.