APA Edition Citation

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

Chicago Edition Citation

Khullar, D R., and J A C S. Rao. Environment: For Civil Services and Other Competitive Examination. New Delhi: McGraw Hill Education, 2016.

MLA Edition Citation

Khullar, D R., and J A C S. Rao. Environment: For Civil Services and Other Competitive Examination. McGraw Hill Education, 2016.