APA (7th ed.) Citation

Spellman, F. R., & Bieber, R. M. The science of renewable energy.

Chicago Style (17th ed.) Citation

Spellman, Frank R., and Revonna M. Bieber. The Science of Renewable Energy.

MLA (8th ed.) Citation

Spellman, Frank R., and Revonna M. Bieber. The Science of Renewable Energy.

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