APA (7th ed.) Citation

Geological Survey (U.S.), Drake, A. A., & Lyttle, P. T. (1985). Geologic map of the Blairstown quadrangle, Warren County, New Jersey. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Avery Ala Drake, and Peter T. Lyttle. Geologic Map of the Blairstown Quadrangle, Warren County, New Jersey. Reston, Va.: The Survey, 1985.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Geologic Map of the Blairstown Quadrangle, Warren County, New Jersey. The Survey, 1985.