MLA

Oppian, active 2nd century. Halieutica, etc. [between 1490 and 1500]. https://collections.library.yale.edu/catalog/17302627.

APA, 6th edition

Oppian, active 2nd century. ([between 1490 and 1500])[Halieutica, etc]. https://collections.library.yale.edu/catalog/17302627.