Munn, M. J. (1911). Oil and gas fields of the Carnegie quadrangle, Pennsylvania. Department of the Interior, United States Geological Survey.
Chicago Style (17th ed.) CitationMunn, M. J. Oil and Gas Fields of the Carnegie Quadrangle, Pennsylvania. Washington, D.C.: Department of the Interior, United States Geological Survey, 1911.
MLA (9th ed.) CitationMunn, M. J. Oil and Gas Fields of the Carnegie Quadrangle, Pennsylvania. Department of the Interior, United States Geological Survey, 1911.
Warning: These citations may not always be 100% accurate.