APA (7th ed.) Citation

Standley, P. C. (1921). Flora of Glacier National Park, Montana. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Standley, Paul Carpenter. Flora of Glacier National Park, Montana. [Place of publication not identified]: U.S. Government Printing Office, 1921.

MLA (9th ed.) Citation

Standley, Paul Carpenter. Flora of Glacier National Park, Montana. U.S. Government Printing Office, 1921.