MLA

Plato, author. Ad Prudentem & Magnificum Uirum Cosma[m] De Medicis Florentinu[m], Leonardi Aretini Clarissimi Oratoris, in Ep[Isto]Las Plato[n]Is Quas Ex Grecis Latinas Fecit. Pr[Ae]Fatio. Michel Friburger, Ulrich Gering, and Martin Crantz, 0AD. https://collections.library.yale.edu/catalog/33434060.

APA, 6th edition

Plato, author. (0 C.E.). Ad prudentem & magnificum uirum Cosma[m] de Medicis Florentinu[m], Leonardi Aretini clarissimi oratoris, in ep[isto]las Plato[n]is quas ex Grecis Latinas fecit. pr[ae]fatio [Annotations 15th century, Armorial bookplates, Incunabula]. Michel Friburger, Ulrich Gering, and Martin Crantz. https://collections.library.yale.edu/catalog/33434060.