Geological Survey (U.S.) & United States. Defense Mapping Agency. Hydrographic/Topographic Center. Pennsylvania 1:50,000: Pottsville (Ed. 1-DMA.). The Center.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and United States. Defense Mapping Agency. Hydrographic/Topographic Center. Pennsylvania 1:50,000: Pottsville. Ed. 1-DMA. Washington, D.C.: The Center.
MLA (8th ed.) CitationGeological Survey (U.S.) and United States. Defense Mapping Agency. Hydrographic/Topographic Center. Pennsylvania 1:50,000: Pottsville. Ed. 1-DMA. The Center.
Warning: These citations may not always be 100% accurate.