Glaser, J. D., & McCabe, M. K. (1985). Geologic map of the Lower Marlboro quadrangle, Prince Georges and Calvert Counties, Maryland. Maryland Geological Survey.
Chicago Style (17th ed.) CitationGlaser, John D., and Margaret Ketcham McCabe. Geologic Map of the Lower Marlboro Quadrangle, Prince Georges and Calvert Counties, Maryland. [Baltimore]: Maryland Geological Survey, 1985.
MLA (9th ed.) CitationGlaser, John D., and Margaret Ketcham McCabe. Geologic Map of the Lower Marlboro Quadrangle, Prince Georges and Calvert Counties, Maryland. Maryland Geological Survey, 1985.
Warning: These citations may not always be 100% accurate.