APA (7th ed.) Citation

Pierce, B. S., Malkhasian, G., & Martirosyan, A. (2000). The Shamut coal deposit, north-central Armenia. U.S. Dept. of Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Pierce, Brenda S., Gourgen Malkhasian, and Artur Martirosyan. The Shamut Coal Deposit, North-central Armenia. Reston, Va.: U.S. Dept. of Interior, U.S. Geological Survey, 2000.

MLA (9th ed.) Citation

Pierce, Brenda S., et al. The Shamut Coal Deposit, North-central Armenia. U.S. Dept. of Interior, U.S. Geological Survey, 2000.