APA (7th ed.) Citation

Geological Survey (U.S.) & Lash, G. G. (1985). Geologic map of the Kutztown quadrangle, Berks and Lehigh counties, Pennsylvania. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Gary George Lash. Geologic Map of the Kutztown Quadrangle, Berks and Lehigh Counties, Pennsylvania. Reston, Va.: The Survey, 1985.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Gary George Lash. Geologic Map of the Kutztown Quadrangle, Berks and Lehigh Counties, Pennsylvania. The Survey, 1985.