MLA

Dares, Phrygius. De Excidio Troiae Historia, Etc. 0AD. https://collections.library.yale.edu/catalog/9998904.

APA, 6th edition

Dares, P. (0 C.E.). De excidio Troiae historia, etc [Translations, Legends, Manuscripts, Medieval England 13th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/9998904.