Cite
MLA (8th Edition)
Waagé, Karl M. Dakota Group In Northern Front Range Foothills, Colorado. United States Department of the Interior, Geological Survey, 1955.
APA (7th Edition)
Waagé, K. M. (1955). Dakota group in Northern Front Range Foothills, Colorado. United States Department of the Interior, Geological Survey.
Chicago (17th Edition)
Waagé Karl M. Dakota Group in Northern Front Range Foothills, Colorado. Washington: United States Department of the Interior, Geological Survey, 1955.