MLA

Scholar's Notebook. 0AD. https://collections.library.yale.edu/catalog/10269790.

APA, 6th edition

Scholar's notebook. (0 C.E.). [Early works to 1800, Manuscripts, Medieval Germany 14th century, Manuscripts, Medieval Germany 15th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/10269790.