APA (7th ed.) Citation

Geological Survey (U.S.). (2003). Lewis and Clark's observations of geomorphology and hydrology. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Lewis and Clark's Observations of Geomorphology and Hydrology. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2003.

MLA (8th ed.) Citation

Geological Survey (U.S.). Lewis and Clark's Observations of Geomorphology and Hydrology. U.S. Dept. of the Interior, U.S. Geological Survey, 2003.