2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
21:12And there came a writing to him from Elijah the prophet saying, Thus saith Jehovah, the God of David thy father: Because thou hast not walked in the ways of Jehoshaphat thy father, nor in the ways of Asa king of Judah,
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.