APA Citation

Rena, R., & Kumar, S. Biofuels: Technologies, policies, and opportunities.

Chicago Style Citation

Rena, Rena, and Sunil Kumar. Biofuels: Technologies, Policies, and Opportunities.

MLA Citation

Rena, Rena, and Sunil Kumar. Biofuels: Technologies, Policies, and Opportunities.

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