APA (7th ed.) Citation
Gupta, O. P. (2016). Elements of environmental pollution control. Khanna Book Publishing Co.
Chicago Style (17th ed.) Citation
Gupta, Om Prakash. Elements of Environmental Pollution Control. New Delhi: Khanna Book Publishing Co, 2016.
MLA (9th ed.) Citation
Gupta, Om Prakash. Elements of Environmental Pollution Control. Khanna Book Publishing Co, 2016.
Warning: These citations may not always be 100% accurate.