Citazione Stile APA (7a Edizione)

Singh, K. P., & Srivastava, A. K. (1994). Chemical Pollution Environment. Ashish Pub. House.

Citazione stile Chigago Style (17a edizione)

Singh, K. P., e A. K. Srivastava. Chemical Pollution Environment. New Delhi: Ashish Pub. House, 1994.

Citatione MLA (9a ed.)

Singh, K. P., e A. K. Srivastava. Chemical Pollution Environment. Ashish Pub. House, 1994.