Second Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
15:34si autem in civitatem revertaris et dixeris Absalom servus tuus sum rex sicut fui servus patris tui sic ero servus tuus dissipabis consilium Ahitofel
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.