APA-Zitierstil (7. Ausg.)

(1968). Geology and ore deposits of the Iron River-Crystal Falls district, Iron County, Michigan. U.S. Government Print. Office.

Chicago-Zitierstil (17. Ausg.)

Geology and Ore Deposits of the Iron River-Crystal Falls District, Iron County, Michigan. Washington, DC: U.S. Government Print. Office, 1968.

MLA-Zitierstil (9. Ausg.)

Geology and Ore Deposits of the Iron River-Crystal Falls District, Iron County, Michigan. U.S. Government Print. Office, 1968.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.