MLA

Raman Kumar, Anil Kumar Sharma, Sarabjeet Singh Ahluwalia, Sarabjeet Singh Ahluwalia, and Anil Kumar Sharma. Advances In Environmental Biotechnology. Springer Singapore, 2017.

APA

Raman Kumar, S. Singh Ahluwalia, Ahluwalia, S. Singh, & Sharma, A. Kumar. (2017). Advances in Environmental Biotechnology. Springer Singapore.

Chicago

Raman Kumar, Anil Kumar Sharma, Sarabjeet Singh Ahluwalia, Sarabjeet Singh Ahluwalia, and Anil Kumar Sharma. Advances In Environmental Biotechnology. : Springer Singapore, 2017.