APA (7th ed.) Citation

Geological Survey (U.S.), Lyttle, P. T., Lash, G. G., & Epstein, J. B. (1986). Geologic map of the Slatedale quadrangle, Lehigh and Carbon counties, Pennsylvania. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Peter T. Lyttle, Gary George Lash, and Jack Burton Epstein. Geologic Map of the Slatedale Quadrangle, Lehigh and Carbon Counties, Pennsylvania. Reston, Va.: The Survey, 1986.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Geologic Map of the Slatedale Quadrangle, Lehigh and Carbon Counties, Pennsylvania. The Survey, 1986.