APA (7th ed.) Citation

Chhatwal, G. R., Nanda, K. K., & Pandey, D. K. (1991). Encyclopaedic dictionary of environment. Anmol Publications.

Chicago Style (17th ed.) Citation

Chhatwal, G. R., K. K. Nanda, and D. K. Pandey. Encyclopaedic Dictionary of Environment. New Delhi: Anmol Publications, 1991.

MLA (9th ed.) Citation

Chhatwal, G. R., et al. Encyclopaedic Dictionary of Environment. Anmol Publications, 1991.