APA (7th ed.) Citation

Maryland Geological Survey & Clark, W. B. (1904). Miocene. Johns Hopkins Press.

Chicago Style (17th ed.) Citation

Maryland Geological Survey and William Bullock Clark. Miocene. Baltimore: Johns Hopkins Press, 1904.

MLA (8th ed.) Citation

Maryland Geological Survey and William Bullock Clark. Miocene. Johns Hopkins Press, 1904.