Black, W. H. (1949). Comparison of methods of supplying phosphorus to range cattle. U.S. Dept. of Agriculture.
Chicago Style (17th ed.) CitationBlack, W. H. Comparison of Methods of Supplying Phosphorus to Range Cattle. Washington: U.S. Dept. of Agriculture, 1949.
MLA (9th ed.) CitationBlack, W. H. Comparison of Methods of Supplying Phosphorus to Range Cattle. U.S. Dept. of Agriculture, 1949.
Warning: These citations may not always be 100% accurate.