MLA

Singh, S. N, et al. Environmental Bioremediation Technologies. Springer Berlin Heidelberg, 2007.

APA

Singh, S. NSingh, S. N, & Tripathi, R. D, & Tripathi, R. D. (2007). Environmental Bioremediation Technologies. Springer Berlin Heidelberg.

Chicago

Singh, S. N., Shree N Singh, R. D Tripathi, and Rudra D Tripathi. Environmental Bioremediation Technologies. : Springer Berlin Heidelberg, 2007.