APA (7th ed.) Citation

United States. National Park Service & Grant, M. (1919). Early history of Glacier National Park, Mont. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. National Park Service and Madison Grant. Early History of Glacier National Park, Mont. Washington: U.S. GPO, 1919.

MLA (9th ed.) Citation

United States. National Park Service and Madison Grant. Early History of Glacier National Park, Mont. U.S. GPO, 1919.

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