Second Book of Paralipomenon (Author Compiled by Isaias and Esdras from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
6:37et conversi corde suo in terra ad quam captivi ducti fuerant egerint paenitentiam et deprecati te fuerint in terra captivitatis suae dicentes peccavimus inique fecimus iniuste egimus
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.