MLA

Book of Hours, Use of Tournai. 0AD. https://collections.library.yale.edu/catalog/9998937.

APA, 6th edition

Book of Hours, use of Tournai. (0 C.E.). [Prayers and devotions, Books of hours, Manuscripts, Renaissance Belgium 16th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/9998937.