Breviary for Cistercian use
MLA
Church, Catholic. Breviary for Cistercian Use. 0AD. https://collections.library.yale.edu/catalog/2018182.
APA, 6th edition
Church, C. (0 C.E.). Breviary for Cistercian use [Decorated initials, Historiated initials, Illuminations, Inhabited initials, Manuscripts, Rubrics]. https://collections.library.yale.edu/catalog/2018182.