APA (7th ed.) Citation

Kellog, K. S. (2004). The geologic story of Gunnison Gorge National Conservation Area, Colorado. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Kellog, Karl S. The Geologic Story of Gunnison Gorge National Conservation Area, Colorado. Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 2004.

MLA (9th ed.) Citation

Kellog, Karl S. The Geologic Story of Gunnison Gorge National Conservation Area, Colorado. U.S. Dept. of the Interior, U.S. Geological Survey, 2004.