APA (7th ed.) Citation

Lohman, S. W. (1981). The geologic story of Colorado National Monument. U.S. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Lohman, S. W. The Geologic Story of Colorado National Monument. [Reston, Va.]: U.S. Dept. of the Interior, Geological Survey, 1981.

MLA (9th ed.) Citation

Lohman, S. W. The Geologic Story of Colorado National Monument. U.S. Dept. of the Interior, Geological Survey, 1981.