APA (7th ed.) Citation

Bernstein, L. R. (1980). Minerals of the Washington D.C. area. Dept. of Natural Resources, Maryland Geological Survey.

Chicago Style (17th ed.) Citation

Bernstein, Lawrence R. Minerals of the Washington D.C. Area. Baltimore, Md.: Dept. of Natural Resources, Maryland Geological Survey, 1980.

MLA (9th ed.) Citation

Bernstein, Lawrence R. Minerals of the Washington D.C. Area. Dept. of Natural Resources, Maryland Geological Survey, 1980.