APA (7th ed.) Citation

Hahman, W. R. (1981). Geothermal resource potential for a portion of the San Pedro River Valley, Arizona. [Bureau of Geology and Mineral Technology?].

Chicago Style (17th ed.) Citation

Hahman, W. Richard. Geothermal Resource Potential for a Portion of the San Pedro River Valley, Arizona. [Tucson, Ariz?]: [Bureau of Geology and Mineral Technology?], 1981.

MLA (9th ed.) Citation

Hahman, W. Richard. Geothermal Resource Potential for a Portion of the San Pedro River Valley, Arizona. [Bureau of Geology and Mineral Technology?], 1981.