MLA

Diodorus, Siculus. Bibliotheca Historica. 0AD. https://collections.library.yale.edu/catalog/11403213.

APA, 6th edition

Diodorus, S. (0 C.E.). Bibliotheca Historica [Translations, Manuscripts, Medieval Italy 15th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/11403213.