APA (7th ed.) Citation

Jones, B. E., & Helland, R. O. (1926). Preliminary index to river surveys made by the United States Geological Survey and other agencies. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Jones, B. E., and Randolph O. Helland. Preliminary Index to River Surveys Made by the United States Geological Survey and Other Agencies. Washington, D.C.: United States Department of the Interior, Geological Survey, 1926.

MLA (9th ed.) Citation

Jones, B. E., and Randolph O. Helland. Preliminary Index to River Surveys Made by the United States Geological Survey and Other Agencies. United States Department of the Interior, Geological Survey, 1926.