APA-Zitierstil (7. Ausg.)

(1979). Leasable mineral and waterpower land classification map of the Leadville 1 ̊x 2 ̊Quadrangle, Colorado. U.S. Geological Survey.

Chicago-Zitierstil (17. Ausg.)

Leasable Mineral and Waterpower Land Classification Map of the Leadville 1 ̊x 2 ̊Quadrangle, Colorado. Washington, D.C: U.S. Geological Survey, 1979.

MLA-Zitierstil (9. Ausg.)

Leasable Mineral and Waterpower Land Classification Map of the Leadville 1 ̊x 2 ̊Quadrangle, Colorado. U.S. Geological Survey, 1979.