APA (7th ed.) Citation

United States. Department of Agriculture. (1955). Experimental general soil map Northeastern United States. U.S. Department of Agriculture.

Chicago Style (17th ed.) Citation

United States. Department of Agriculture. Experimental General Soil Map Northeastern United States. [Place of publication not identified]: U.S. Department of Agriculture, 1955.

MLA (9th ed.) Citation

United States. Department of Agriculture. Experimental General Soil Map Northeastern United States. U.S. Department of Agriculture, 1955.