APA (7th ed.) Citation

Johanson, P. (2010). Biofuels: Sustainable energy in the 21st century. Rosen Pub..

Chicago Style (17th ed.) Citation

Johanson, Paula. Biofuels: Sustainable Energy in the 21st Century. New York, NY: Rosen Pub., 2010.

MLA (9th ed.) Citation

Johanson, Paula. Biofuels: Sustainable Energy in the 21st Century. Rosen Pub., 2010.