APA (7th ed.) Citation

Geological Survey (U.S.), University of Maine at Orono. Department of Geological Sciences, Borns, H. W., Richmond, G. M., & Fullerton, D. S. (1987). Quaternary geologic map of the Quebec 4?x 6?quadrangle, United States and Canada. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), University of Maine at Orono. Department of Geological Sciences, H. W. Borns, Gerald Martin Richmond, and David S. Fullerton. Quaternary Geologic Map of the Quebec 4?x 6?quadrangle, United States and Canada. Reston, Va.: The Survey, 1987.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Quaternary Geologic Map of the Quebec 4?x 6?quadrangle, United States and Canada. The Survey, 1987.