MLA

Commonplace Book (Fragment). 0AD. https://collections.library.yale.edu/catalog/10543780.

APA, 6th edition

Commonplace book (fragment). (0 C.E.). [Commonplace books Italy 15th century, Manuscripts, Renaissance Italy 15th century, Medieval and Renaissance Manuscript Fragments in Beinecke Library, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/10543780.