APA (7th ed.) Citation

DC, T. U. S. D. O. A. W. (1957). SOIL. The United Goverment Printing Office.

Chicago Style (17th ed.) Citation

DC, The United States Departement Of Agriculture Washington. SOIL. The United Goverment Printing Office, 1957.

MLA (8th ed.) Citation

DC, The United States Departement Of Agriculture Washington. SOIL. The United Goverment Printing Office, 1957.

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