APA (7th ed.) Citation

Maryland Geological Survey. (1900). Allegany County. Johns Hopkins Press.

Chicago Style (17th ed.) Citation

Maryland Geological Survey. Allegany County. Baltimore: Johns Hopkins Press, 1900.

MLA (8th ed.) Citation

Maryland Geological Survey. Allegany County. Johns Hopkins Press, 1900.

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