APA Citation

Gupta, H. K., & Roy, S. (2007). Geothermal energy: An alternative resource for the 21st century. Amsterdam, The Netherlands ; Boston: Elsevier.

Chicago Style Citation

Gupta, Harsh K., and Sukanta Roy. Geothermal Energy: An Alternative Resource for the 21st Century. Amsterdam, The Netherlands ; Boston: Elsevier, 2007.

MLA Citation

Gupta, Harsh K., and Sukanta Roy. Geothermal Energy: An Alternative Resource for the 21st Century. Amsterdam, The Netherlands ; Boston: Elsevier, 2007.

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