First Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
20:6si requisierit me pater tuus respondebis ei rogavit me David ut iret celeriter in Bethleem civitatem suam quia victimae sollemnes ibi sunt universis contribulibus eius
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.