APA (7th ed.) Citation

Geological Survey (U.S.), Massachusetts. Department of Public Works, Hatch, N. L., Norton, S. A., & Clark, R. G. (1970). Geologic map of the Chester quadrangle, Hampden and Hampshire Counties, Massachusetts. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Massachusetts. Department of Public Works, Norman L. Hatch, Stephen A. Norton, and R. G. Clark. Geologic Map of the Chester Quadrangle, Hampden and Hampshire Counties, Massachusetts. Reston, Va.: The Survey, 1970.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Geologic Map of the Chester Quadrangle, Hampden and Hampshire Counties, Massachusetts. The Survey, 1970.