APA Edition Citation

Dadhwal, P. J. S., & Saini, R. S. (1998). Environment: Air and water.

Chicago Edition Citation

Dadhwal, P J S., and R S. Saini. Environment: Air and Water. New Delhi, B R publishing corporation, 1998.

MLA Edition Citation

Dadhwal, P J S., and R S. Saini. Environment: Air and Water. 1998.