APA (7th ed.) Citation

Patterson, E. D. (1963). Coal resources of Beaver County, Pennsylvania. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Patterson, E. D. Coal Resources of Beaver County, Pennsylvania. Washington, D.C.: United States Department of the Interior, Geological Survey, 1963.

MLA (9th ed.) Citation

Patterson, E. D. Coal Resources of Beaver County, Pennsylvania. United States Department of the Interior, Geological Survey, 1963.

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