First Book of Paralipomenon (Author Compiled by Isaias and Esdras from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
Chapter 19
17quod cum nuntiatum esset David congregavit universum Israhel et transivit Iordanem inruitque in eos et direxit ex adverso aciem illis contra pugnantibus
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.