APA način citiranja (7. izdanje)
Bhardwaj, A. K., Zenone, T., & Chen, J. (2015). Sustainable biofuels: An ecological assessment of the future energy. Walter de Gruyter GmbH & Co. KG.
Čikaški stil citiranja (17. izdanje)
Bhardwaj, Ajay Kumar, Terenzio Zenone, i Jiquan Chen. Sustainable Biofuels: An Ecological Assessment of the Future Energy. Berlin ; Boston: Walter de Gruyter GmbH & Co. KG, 2015.
MLA način citiranja (9. izdanje)
Bhardwaj, Ajay Kumar, et al. Sustainable Biofuels: An Ecological Assessment of the Future Energy. Walter de Gruyter GmbH & Co. KG, 2015.
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