APA (7th ed.) Citation

Hughes, W. B. (1993). Hydrogeology and soil gas at J-Field, Aberdeen Proving Ground, Maryland. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Hughes, W. Brian. Hydrogeology and Soil Gas at J-Field, Aberdeen Proving Ground, Maryland. Towson, Md.: U.S. Geological Survey, 1993.

MLA (9th ed.) Citation

Hughes, W. Brian. Hydrogeology and Soil Gas at J-Field, Aberdeen Proving Ground, Maryland. U.S. Geological Survey, 1993.