APA (7th ed.) Citation

Wahl, E. F. (1977). Geothermal energy utilization / (by) Edward F. Wahl. Wiley.

Chicago Style (17th ed.) Citation

Wahl, Edward F. Geothermal Energy Utilization / (by) Edward F. Wahl. New York ; London (etc.): Wiley, 1977.

MLA (9th ed.) Citation

Wahl, Edward F. Geothermal Energy Utilization / (by) Edward F. Wahl. Wiley, 1977.

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