APA (7th ed.) Citation

United States. Bureau of Plant Industry, Soils, and Agricultural Engineering. (1981). Soil survey manual ([Rev. ed.].). Agricultural Research Administration, U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

United States. Bureau of Plant Industry, Soils, and Agricultural Engineering. Soil Survey Manual. [Rev. ed.]. [Washington, D.C.?]: Agricultural Research Administration, U.S. Dept. of Agriculture, 1981.

MLA (9th ed.) Citation

United States. Bureau of Plant Industry, Soils, and Agricultural Engineering. Soil Survey Manual. [Rev. ed.]. Agricultural Research Administration, U.S. Dept. of Agriculture, 1981.