MLA

Stephanus, of Alexandria. Damaskiou Filosofou exē̄gē̄sis Eis to prognō̄stikon Tou Hippokratous, Δαμασκίου Φιλοσόφου Ἐξηγήσις Εἰς Τὸ Προγνωστικὸν Τοῦ Ἱπποκράτους. 0AD. https://collections.library.yale.edu/catalog/16960328.

APA, 6th edition

Stephanus, of A. (0 C.E.). Damaskiou filosofou exē̄gē̄sis eis to prognō̄stikon tou Hippokratous, Δαμασκίου φιλοσόφου ἐξηγήσις εἰς τὸ προγνωστικὸν τοῦ Ἱπποκράτους [Early works to 1800, Armorial bookplates]. https://collections.library.yale.edu/catalog/16960328.