Glaeser, J. D. (1974). Upper Devonian stratigraphy and sedimentary environments in northeastern Pennsylvania. Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey : may be purchased from State Book Store.
Chicago Style (17th ed.) CitationGlaeser, J. Douglas. Upper Devonian Stratigraphy and Sedimentary Environments in Northeastern Pennsylvania. Harrisburg: Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey : may be purchased from State Book Store, 1974.
MLA (9th ed.) CitationGlaeser, J. Douglas. Upper Devonian Stratigraphy and Sedimentary Environments in Northeastern Pennsylvania. Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey : may be purchased from State Book Store, 1974.