APA Citation

DNAG, Steele, J. L., & Blackwell, D. D. (1992). GEOTHERMAL MAP OF NORTH AMERICA (1.). : Geological Society of America.

Chicago Style Citation

DNAG, J. L. Steele, and D. D. Blackwell. GEOTHERMAL MAP OF NORTH AMERICA. 1. : Geological Society of America, 1992.

MLA Citation

DNAG, J. L. Steele, and D. D. Blackwell. GEOTHERMAL MAP OF NORTH AMERICA. 1. : Geological Society of America, 1992.

Warning: These citations may not always be 100% accurate.