APA (7th ed.) Citation

Geological Survey (U.S.), Illinois State Geological Survey, Schlee, J. S., Chrzrastowski, M., & North, L. D. (1988). Maps showing the bottom topography of the Chicago near-northside lakefront. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Illinois State Geological Survey, John S. Schlee, Michael Chrzrastowski, and L. D. North. Maps Showing the Bottom Topography of the Chicago Near-northside Lakefront. Reston, Va.: U.S. Geological Survey, 1988.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Maps Showing the Bottom Topography of the Chicago Near-northside Lakefront. U.S. Geological Survey, 1988.