Dark foreground and clouds, mountains highlighted, "Heaven's Peak," Glacier National Park, Montana.

Chicago citation style
Department of the Interior. National Park Service. Branch of Still and Motion Pictures.??. Dark foreground and clouds, mountains highlighted, "Heaven's Peak," Glacier National Park, Montana.. 1933-01-01/1942-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/519871. (Accessed September 19, 2018.)
APA citation style
Department of the Interior. National Park Service. Branch of Still and Motion Pictures.??, (1933-01-01/1942-12-31) Dark foreground and clouds, mountains highlighted, "Heaven's Peak," Glacier National Park, Montana.. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/519871
MLA citation style
Department of the Interior. National Park Service. Branch of Still and Motion Pictures.??. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/519871>.
Note: These citations are programmatically generated and may be incomplete.