APA (7th ed.) Citation

United States. National Park Service & Standley, P. C. (1926). Plants of Glacier National Park. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. National Park Service and Paul Carpenter Standley. Plants of Glacier National Park. Washington: U.S. GPO, 1926.

MLA (9th ed.) Citation

United States. National Park Service and Paul Carpenter Standley. Plants of Glacier National Park. U.S. GPO, 1926.

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