APA (7th ed.) Citation

(1972). Map showing approximate ground-water conditions in the Parker quadrangle, Arapahoe and Douglas counties, Colorado. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Map Showing Approximate Ground-water Conditions in the Parker Quadrangle, Arapahoe and Douglas Counties, Colorado. Washington, D.C: U.S. Geological Survey, 1972.

MLA (9th ed.) Citation

Map Showing Approximate Ground-water Conditions in the Parker Quadrangle, Arapahoe and Douglas Counties, Colorado. U.S. Geological Survey, 1972.