APA (7th ed.) Citation

Seifried, D., & Witzel, W. (2010). Renewable energy: The facts (1. publ.). Earthscan.

Chicago Style (17th ed.) Citation

Seifried, Dieter, and Walter Witzel. Renewable Energy: The Facts. 1. publ. London [u.a.]: Earthscan, 2010.

MLA (9th ed.) Citation

Seifried, Dieter, and Walter Witzel. Renewable Energy: The Facts. 1. publ. Earthscan, 2010.