United States. Soil Conservation Service. (1989). Low-cost gully erosion control. Soil Conservation Service, U.S. Dept. of Agriculture.
Chicago Style (17th ed.) CitationUnited States. Soil Conservation Service. Low-cost Gully Erosion Control. [Washington, D.C.]: Soil Conservation Service, U.S. Dept. of Agriculture, 1989.
MLA (9th ed.) CitationUnited States. Soil Conservation Service. Low-cost Gully Erosion Control. Soil Conservation Service, U.S. Dept. of Agriculture, 1989.
Warning: These citations may not always be 100% accurate.