APA (7th ed.) Citation

Geological Survey (U.S.) & United States. National Park Service. (2000). Glacier National Park: Part of Waterton-Glacier International Peace Park, Montana, 1998. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and United States. National Park Service. Glacier National Park: Part of Waterton-Glacier International Peace Park, Montana, 1998. Reston, Va.: The Survey, 2000.

MLA (9th ed.) Citation

Geological Survey (U.S.) and United States. National Park Service. Glacier National Park: Part of Waterton-Glacier International Peace Park, Montana, 1998. The Survey, 2000.