APA (7th ed.) Citation

Verma, S. B., Sharan, A. B., & Verma, S. K. (2009). Environment and climate change. Pentagon Press.

Chicago Style (17th ed.) Citation

Verma, Sawalia Bihari, Anand Bhusan Sharan, and Sunil Kumar Verma. Environment and Climate Change. New Delhi, India: Pentagon Press, 2009.

MLA (9th ed.) Citation

Verma, Sawalia Bihari, et al. Environment and Climate Change. Pentagon Press, 2009.

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