APA (7th ed.) Citation

Afghanistan. Geological and Mineral Survey, Geological Survey (U.S.), & Ludington, S. (2007). Preliminary mineral resource assessment of selected mineral deposit types in Afghanistan. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Afghanistan. Geological and Mineral Survey, Geological Survey (U.S.), and Steve Ludington. Preliminary Mineral Resource Assessment of Selected Mineral Deposit Types in Afghanistan. Reston, Va.: U.S. Geological Survey, 2007.

MLA (9th ed.) Citation

Afghanistan. Geological and Mineral Survey, et al. Preliminary Mineral Resource Assessment of Selected Mineral Deposit Types in Afghanistan. U.S. Geological Survey, 2007.