APA Edition Citation

Khullar, D. R., & Rao, J. A. C. S. (2016). Environment: For civil services (Prelims & Mains) and other competitive examinations. McGraw Hill.

Chicago Edition Citation

Khullar, D R., and J A C S. Rao. Environment: For Civil Services (Prelims & Mains) and Other Competitive Examinations. Chennai: McGraw Hill, 2016.

MLA Edition Citation

Khullar, D R., and J A C S. Rao. Environment: For Civil Services (Prelims & Mains) and Other Competitive Examinations. McGraw Hill, 2016.