Cite

De officiis, De oratore, etc

MLA

Cicero, Marcus Tullius. De Officiis, De Oratore, Etc. 0AD. https://collections.library.yale.edu/catalog/11173516.

APA, 6th edition

Cicero, M. T. (0 C.E.). De officiis, De oratore, etc [Manuscripts, Medieval England 15th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/11173516.