MLA

Aristotle. Ethica Nichomachea. 0AD. https://collections.library.yale.edu/catalog/17287970.

APA, 6th edition

A. (0 C.E.). Ethica Nichomachea [Early works to 1800, Manuscripts, Medieval Italy 15th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/17287970.