APA Edition Citation

Asthana, D. K., & Asthana, M. (2005). Environment Problems and solutions.

Chicago Edition Citation

Asthana, D K., and Meera Asthana. Environment Problems and Solutions. New delhi, S Chandh, 2005.

MLA Edition Citation

Asthana, D K., and Meera Asthana. Environment Problems and Solutions. 2005.

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