MLA

Dante Alighieri, 1265-1321. Convivio.. 20th September 1490]. https://collections.library.yale.edu/catalog/16189401.

APA, 6th edition

Dante Alighieri, 1265-1321. (20th September 1490])[Convivio.]. https://collections.library.yale.edu/catalog/16189401.