Cite

Ars major

MLA

Donatus, Aelius. Ars Major. 0AD. https://collections.library.yale.edu/catalog/10621980.

APA, 6th edition

Donatus, A. (0 C.E.). Ars major [Early works to 1500, Manuscripts, Medieval France 9th century, Medieval and Renaissance Manuscript Fragments in Beinecke Library, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/10621980.