APA (7th ed.) Citation

Hague, A. (1928). Geological history of the Yellowstone national park. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Hague, A. Geological History of the Yellowstone National Park. Washington: Govt. Print. Off, 1928.

MLA (9th ed.) Citation

Hague, A. Geological History of the Yellowstone National Park. Govt. Print. Off, 1928.