APA (7th ed.) Citation

Rana, S. (2013). Essentials of ecology and environmental Science (5thed.). PHI Learning.

Chicago Style (17th ed.) Citation

Rana, S.V.S. Essentials of Ecology and Environmental Science. 5thed. Delhi: PHI Learning, 2013.

MLA (9th ed.) Citation

Rana, S.V.S. Essentials of Ecology and Environmental Science. 5thed. PHI Learning, 2013.