APA (7th ed.) Citation

Ueckermann, H. I. (2008). Geothermal energy research trends. Nova Science Publishers.

Chicago Style (17th ed.) Citation

Ueckermann, Hermann I. Geothermal Energy Research Trends. New York: Nova Science Publishers, 2008.

MLA (9th ed.) Citation

Ueckermann, Hermann I. Geothermal Energy Research Trends. Nova Science Publishers, 2008.