Fourth Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
3:13dixit autem Heliseus ad regem Israhel quid mihi et tibi est vade ad prophetas patris tui et matris tuae et ait illi rex Israhel quare congregavit Dominus tres reges hos ut traderet eos in manu Moab
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.