MLA

Grammatical Texts. 0AD. https://collections.library.yale.edu/catalog/11199798.

APA, 6th edition

Grammatical texts. (0 C.E.). [Early works to 1500, Manuscripts, Medieval, Medieval and Renaissance Manuscript Fragments in Beinecke Library, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/11199798.