Second Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
18:2et dedit populi tertiam partem sub manu Ioab et tertiam in manu Abisai filii Sarviae fratris Ioab et tertiam sub manu Ethai qui erat de Geth dixitque rex ad populum egrediar et ego vobiscum
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.