APA-Zitierstil (7. Ausg.)

(1993). Maps showing mineral resource assessment for porphyry and stockwork deposits of copper, molybdenum and tungsten and for stockwork and disseminated deposits of gold and silver in the Butte 1 ̊x 2 ̊quadrangle, Montana. U.S. Geological Survey.

Chicago-Zitierstil (17. Ausg.)

Maps Showing Mineral Resource Assessment for Porphyry and Stockwork Deposits of Copper, Molybdenum and Tungsten and for Stockwork and Disseminated Deposits of Gold and Silver in the Butte 1 ̊x 2 ̊quadrangle, Montana. Reston, VA: U.S. Geological Survey, 1993.

MLA-Zitierstil (9. Ausg.)

Maps Showing Mineral Resource Assessment for Porphyry and Stockwork Deposits of Copper, Molybdenum and Tungsten and for Stockwork and Disseminated Deposits of Gold and Silver in the Butte 1 ̊x 2 ̊quadrangle, Montana. U.S. Geological Survey, 1993.

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