Third Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
20:10reversique nuntii rettulerunt ei qui remisit et ait haec faciant mihi dii et haec addant si suffecerit pulvis Samariae pugillis omnis populi qui sequitur me
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.