Sharpe, C. F. S. (1938). What is soil erosion? U.S. Dept. of Agriculture.
Chicago Style (17th ed.) CitationSharpe, C. F. Stewart. What Is Soil Erosion? Washington, D.C: U.S. Dept. of Agriculture, 1938.
MLA (9th ed.) CitationSharpe, C. F. Stewart. What Is Soil Erosion? U.S. Dept. of Agriculture, 1938.
Warning: These citations may not always be 100% accurate.