Geological Survey (U.S.), Massachusetts. Department of Public Works, & Hatch, N. L. (1969). Geologic map of the Worthington quadrangle, Hampshire and Berkshire Counties, Massachusetts. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Massachusetts. Department of Public Works, and Norman L. Hatch. Geologic Map of the Worthington Quadrangle, Hampshire and Berkshire Counties, Massachusetts. Reston, Va.: The Survey, 1969.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Geologic Map of the Worthington Quadrangle, Hampshire and Berkshire Counties, Massachusetts. The Survey, 1969.
Warning: These citations may not always be 100% accurate.