APA (7th ed.) Citation

Pimentel David & International Association for Mathematical Geology. Ethanol fuels , energy balance, economics, and environmental impacts are negative.

Chicago Style (17th ed.) Citation

Pimentel David and International Association for Mathematical Geology. Ethanol Fuels , Energy Balance, Economics, and Environmental Impacts Are Negative.

MLA (9th ed.) Citation

Pimentel David and International Association for Mathematical Geology. Ethanol Fuels , Energy Balance, Economics, and Environmental Impacts Are Negative.

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