APA (7th ed.) Citation

Black, W. H. (1949). Comparison of methods of supplying phosphorus to range cattle. U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Black, W. H. Comparison of Methods of Supplying Phosphorus to Range Cattle. Washington: U.S. Dept. of Agriculture, 1949.

MLA (9th ed.) Citation

Black, W. H. Comparison of Methods of Supplying Phosphorus to Range Cattle. U.S. Dept. of Agriculture, 1949.