Black, W. H., Quesenberry, J. R., & Baker, A. L. (1938). Wintering beef cows on the range with and without a supplement of cottonseed cake. U.S. Dept. of Agriculture.
Chicago Style (17th ed.) CitationBlack, W. H., J. R. Quesenberry, and Alfred Leroy Baker. Wintering Beef Cows on the Range with and Without a Supplement of Cottonseed Cake. Washington: U.S. Dept. of Agriculture, 1938.
MLA (9th ed.) CitationBlack, W. H., et al. Wintering Beef Cows on the Range with and Without a Supplement of Cottonseed Cake. U.S. Dept. of Agriculture, 1938.
Warning: These citations may not always be 100% accurate.