APA (7th ed.) Citation

Geological Survey (U.S.). Geologic Division. (1949). Interpreting ground conditions from geologic maps. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Geologic Division. Interpreting Ground Conditions from Geologic Maps. Washington, D.C.: United States Department of the Interior, Geological Survey, 1949.

MLA (9th ed.) Citation

Geological Survey (U.S.). Geologic Division. Interpreting Ground Conditions from Geologic Maps. United States Department of the Interior, Geological Survey, 1949.