APA (7th ed.) Citation

Geological Survey (U.S.), Ontario Geological Survey, Fullerton, D. S., & Richmond, G. M. (1991). Quaternary geologic map of the Lake Erie 4 x 6 quadrangle, United States and Canada. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Ontario Geological Survey, David S. Fullerton, and Gerald Martin Richmond. Quaternary Geologic Map of the Lake Erie 4 X 6 Quadrangle, United States and Canada. Reston, Va.: U.S. Geological Survey, 1991.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Quaternary Geologic Map of the Lake Erie 4 X 6 Quadrangle, United States and Canada. U.S. Geological Survey, 1991.