MLA

Ferrara Niccolò. Polistorio. 0AD. https://collections.library.yale.edu/catalog/10622016.

APA, 6th edition

Ferrara Niccolò. (0 C.E.). Polistorio [Manuscripts, Medieval Italy 15th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/10622016.