MLA

Laertius, Diogenes. Vitae Et Sententiae Philosophorum. 0AD. https://collections.library.yale.edu/catalog/10269774.

APA, 6th edition

Laertius, D. (0 C.E.). Vitae et sententiae philosophorum [Translations, Manuscripts, Medieval Italy 15th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/10269774.