APA Edition Citation

Gurucharan Sing. (2005). Pollution to purity of environment (1st.). Deep & Deep.

Chicago Edition Citation

Gurucharan Sing. Pollution to Purity of Environment. 1st. New Delhi: Deep & Deep, 2005.

MLA Edition Citation

Gurucharan Sing. Pollution to Purity of Environment. 1st. Deep & Deep, 2005.

Warning: These citations may not always be 100% accurate.