APA (7th ed.) Citation

Tyagi, O., & Mehra, M. (1990). Textbook of environmental chemistry. Anmol Publications Pvt. Ltd.

Chicago Style (17th ed.) Citation

Tyagi, O., and M. Mehra. Textbook of Environmental Chemistry. New Delhi: Anmol Publications Pvt. Ltd, 1990.

MLA (9th ed.) Citation

Tyagi, O., and M. Mehra. Textbook of Environmental Chemistry. Anmol Publications Pvt. Ltd, 1990.