APA Citation

Asthana, D., & Asthana, M. (2009). Environment: Problems and solutions. New Delhi: S.Chand.

Chicago Style Citation

Asthana, D.K., and Meera Asthana. Environment: Problems and Solutions. New Delhi: S.Chand, 2009.

MLA Citation

Asthana, D.K., and Meera Asthana. Environment: Problems and Solutions. New Delhi: S.Chand, 2009.

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