APA (7th ed.) Citation

United States. Division of Soil Survey. (1993). Soil survey manual. U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

United States. Division of Soil Survey. Soil Survey Manual. Washington, DC: U.S. Dept. of Agriculture, 1993.

MLA (9th ed.) Citation

United States. Division of Soil Survey. Soil Survey Manual. U.S. Dept. of Agriculture, 1993.

Warning: These citations may not always be 100% accurate.