Geological Survey (U.S.), Rhea, S., Wheeler, R. L., & Hooper, M. G. (1996). Map showing earthquake intensities in the vicinity of the lower Wabash Valley, Illinois, Indiana, and Kentucky. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Susan Rhea, Russell L. Wheeler, and Margaret G. Hooper. Map Showing Earthquake Intensities in the Vicinity of the Lower Wabash Valley, Illinois, Indiana, and Kentucky. Reston, VA: The Survey, 1996.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Map Showing Earthquake Intensities in the Vicinity of the Lower Wabash Valley, Illinois, Indiana, and Kentucky. The Survey, 1996.
Warning: These citations may not always be 100% accurate.