MLA

Cicero, Marcus Tullius. Orationes, Etc. 0AD. https://collections.library.yale.edu/catalog/10171234.

APA, 6th edition

Cicero, M. T. (0 C.E.). Orationes, etc [Manuscripts, Medieval Italy 15th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/10171234.