Kent, B. H. (1971). Geologic map of the Garards Fort quadrangle and part of the Osage quadrangle, Greene County, Pennsylvania. The Survey.
Chicago Style (17th ed.) CitationKent, Bion H. Geologic Map of the Garards Fort Quadrangle and Part of the Osage Quadrangle, Greene County, Pennsylvania. Washington, D.C.: The Survey, 1971.
MLA (9th ed.) CitationKent, Bion H. Geologic Map of the Garards Fort Quadrangle and Part of the Osage Quadrangle, Greene County, Pennsylvania. The Survey, 1971.
Warning: These citations may not always be 100% accurate.