APA (7th ed.) Citation

Gale, H. S., & Geological Survey (U.S.). (1910). Coal fields of northwestern Colorado and northeastern Utah. Govt. Print. Off..

Chicago Style (17th ed.) Citation

Gale, Hoyt S., and Geological Survey (U.S.). Coal Fields of Northwestern Colorado and Northeastern Utah. Washington: Govt. Print. Off., 1910.

MLA (8th ed.) Citation

Gale, Hoyt S., and Geological Survey (U.S.). Coal Fields of Northwestern Colorado and Northeastern Utah. Govt. Print. Off., 1910.