APA Edition Citation

Rao, H. V. N., & Rao, M. N. (1997). Air pollution.

Chicago Edition Citation

Rao, H V N., and M N. Rao. Air Pollution. New Delhi, Tata Mc Graw Hill Publishing Company LTD, 1997.

MLA Edition Citation

Rao, H V N., and M N. Rao. Air Pollution. 1997.