APA (7th ed.) Citation

Scott, G. R. (1972). Reconnaissance geologic map of the Swallows quadrangle, Pueblo County, Colorado. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Scott, Glenn R. Reconnaissance Geologic Map of the Swallows Quadrangle, Pueblo County, Colorado. [Washington, D.C.]: U.S. Geological Survey, 1972.

MLA (9th ed.) Citation

Scott, Glenn R. Reconnaissance Geologic Map of the Swallows Quadrangle, Pueblo County, Colorado. U.S. Geological Survey, 1972.