Fourth Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
3:9perrexerunt igitur rex Israhel et rex Iuda et rex Edom et circumierunt per viam septem dierum nec erat aqua exercitui et iumentis quae sequebantur eos
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.