APA (7th ed.) Citation

Geological Survey (U.S.), Ontario Geological Survey, Fullerton, D. S., & Richmond, G. M. (2002). Quaternary geologic map of the Lake Erie 4⁰ x 6⁰ quadrangle, United States and Canada (Version 1.1, posted Oct. 2002.). U.S. Dept. of the interior, 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 4⁰ X 6⁰ Quadrangle, United States and Canada. Version 1.1, posted Oct. 2002. Reston, Va.: U.S. Dept. of the interior, U.S. Geological Survey, 2002.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Quaternary Geologic Map of the Lake Erie 4⁰ X 6⁰ Quadrangle, United States and Canada. Version 1.1, posted Oct. 2002. U.S. Dept. of the interior, U.S. Geological Survey, 2002.