Cite

Hours; Portion of calendar for December

MLA

Hours; Portion of Calendar for December. 0AD. https://collections.library.yale.edu/catalog/9998661.

APA, 6th edition

Hours; Portion of calendar for December. (0 C.E.). [Prayers and devotions, Manuscripts, Medieval France 15th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/9998661.