APA (7th ed.) Citation

Field, R. M. (1932). Yellowstone - Beartooth - Big Horn region. U.S. Govt. Print. Off..

Chicago Style (17th ed.) Citation

Field, Richard M. Yellowstone - Beartooth - Big Horn Region. Washington: U.S. Govt. Print. Off., 1932.

MLA (8th ed.) Citation

Field, Richard M. Yellowstone - Beartooth - Big Horn Region. U.S. Govt. Print. Off., 1932.

Warning: These citations may not always be 100% accurate.