Fourth Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
7:18factumque est secundum sermonem viri Dei quem dixerat regi quando ait duo modii hordei statere uno erunt et modius similae statere uno hoc eodem tempore cras in porta Samariae
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.