MLA

Agarwal, et al. Pollutants From Energy Sources. Springer Singapore, 2019.

APA

Agarwal, A., Agarwal, A. Kumar, Gupta, T., & Sharma, N. (2019). Pollutants from Energy Sources. Springer Singapore.

Chicago

Agarwal, Avinash Kumar Agarwal, Tarun Gupta, and Nikhil Sharma. Pollutants From Energy Sources. : Springer Singapore, 2019.