(1972). Map showing approximate density of houses in the Evergreen quadrangle, Jeffrson county, Colorado. U.S. Geological Survey.
Chicago-Zitierstil (17. Ausg.)Map Showing Approximate Density of Houses in the Evergreen Quadrangle, Jeffrson County, Colorado. Washington, D.C: U.S. Geological Survey, 1972.
MLA-Zitierstil (9. Ausg.)Map Showing Approximate Density of Houses in the Evergreen Quadrangle, Jeffrson County, Colorado. U.S. Geological Survey, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.