APA (7th ed.) Citation

Pierce, B. S., Malkhasian, G., & Martirosyan, A. (2000). The Nor Arevik coal deposit, southern Armenia (Version 1.0.). U.S. Dept. of Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Pierce, Brenda S., Gourgen Malkhasian, and Artur Martirosyan. The Nor Arevik Coal Deposit, Southern Armenia. Version 1.0. Reston, Va.: U.S. Dept. of Interior, U.S. Geological Survey, 2000.

MLA (9th ed.) Citation

Pierce, Brenda S., et al. The Nor Arevik Coal Deposit, Southern Armenia. Version 1.0. U.S. Dept. of Interior, U.S. Geological Survey, 2000.