APA (7th ed.) Citation

United States. Bureau of Chemistry and Soils & Bacon, S. R. (1930). Soil survey of Prince Georges County, Md. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Chemistry and Soils and S. Rankin Bacon. Soil Survey of Prince Georges County, Md. Washington: U.S. GPO, 1930.

MLA (9th ed.) Citation

United States. Bureau of Chemistry and Soils and S. Rankin Bacon. Soil Survey of Prince Georges County, Md. U.S. GPO, 1930.