APA (7th ed.) Citation

Helley, E. J. (1969). Field measurement of the initiation of large bed particle motion in Blue Creek near Klamath, California. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Helley, Edward J. Field Measurement of the Initiation of Large Bed Particle Motion in Blue Creek Near Klamath, California. Washington: United States Department of the Interior, Geological Survey, 1969.

MLA (9th ed.) Citation

Helley, Edward J. Field Measurement of the Initiation of Large Bed Particle Motion in Blue Creek Near Klamath, California. United States Department of the Interior, Geological Survey, 1969.