This story comes from Hyginus' Fabulae. You can read it in its entirety here: http://www.theoi.com/Text/HyginusFabulae5.html#274 A great discussion regarding the historiography of this tale, and its reception, can be found as I state in Helen King's blog: https://mistakinghistories.wordpress.com/2017/10/18/agnodice-reading-the-story/
















