Psalter, with calendar and office of the dead
MLA
Church, Catholic. Psalter, with Calendar and Office of the Dead. 0AD. https://collections.library.yale.edu/catalog/2077441.
APA, 6th edition
Church, C. (0 C.E.). Psalter, with calendar and office of the dead [Calendars, Correspondence, Illustrations, Inscriptions, Manuscripts, Miniatures (Illuminations), Psalters]. https://collections.library.yale.edu/catalog/2077441.