APA-Zitierstil (7. Ausg.)

Pickering, J. H. (2005). America's Switzerland: Estes Park and Rocky Mountain National Park, the growth years. Univ. Press of Colorado.

Chicago-Zitierstil (17. Ausg.)

Pickering, James H. America's Switzerland: Estes Park and Rocky Mountain National Park, the Growth Years. Boulder, Colo: Univ. Press of Colorado, 2005.

MLA-Zitierstil (9. Ausg.)

Pickering, James H. America's Switzerland: Estes Park and Rocky Mountain National Park, the Growth Years. Univ. Press of Colorado, 2005.