MLA

Collection of Texts on St. Barbara. 0AD. https://collections.library.yale.edu/catalog/2013555.

APA, 6th edition

Collection of texts on St. Barbara. (0 C.E.). [Early works to 1800, Manuscripts, Medieval Belgium 15th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/2013555.