APA (7th ed.) Citation

Webb, R. H. (1999). Lava Falls Rapid in Grand Canyon: Effects of late Holocene debris flows on the Colorado River. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Webb, Robert H. Lava Falls Rapid in Grand Canyon: Effects of Late Holocene Debris Flows on the Colorado River. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 1999.

MLA (9th ed.) Citation

Webb, Robert H. Lava Falls Rapid in Grand Canyon: Effects of Late Holocene Debris Flows on the Colorado River. U.S. Department of the Interior, U.S. Geological Survey, 1999.