United States. Agricultural Marketing Service. Marketing Information Division. (1960). Grade names used in U.S. standards for farm products (Rev. Feb. 1960.). U.S. Dept. of Agriculture, Agricultural Marketing Service, Marketing Information Division.
Chicago Style (17th ed.) CitationUnited States. Agricultural Marketing Service. Marketing Information Division. Grade Names Used in U.S. Standards for Farm Products. Rev. Feb. 1960. Washington, D.C.: U.S. Dept. of Agriculture, Agricultural Marketing Service, Marketing Information Division, 1960.
MLA (9th ed.) CitationUnited States. Agricultural Marketing Service. Marketing Information Division. Grade Names Used in U.S. Standards for Farm Products. Rev. Feb. 1960. U.S. Dept. of Agriculture, Agricultural Marketing Service, Marketing Information Division, 1960.