APA (7th ed.) Citation

Rana, S. (2007). Essential of ecology and environmental science (Third Edition.). Prentice-Hall of India.

Chicago Style (17th ed.) Citation

Rana, S.V.S. Essential of Ecology and Environmental Science. Third Edition. New Delhi: Prentice-Hall of India, 2007.

MLA (8th ed.) Citation

Rana, S.V.S. Essential of Ecology and Environmental Science. Third Edition. Prentice-Hall of India, 2007.