APA Citation

Rana, S. V. S. (2015). Essentials of ecology and environmental science (5th ed.). Delhi: PHI Learning.

Chicago Style Citation

Rana, S. V. S. Essentials of Ecology and Environmental Science. 5th ed. Delhi: PHI Learning, 2015.

MLA Citation

Rana, S. V. S. Essentials of Ecology and Environmental Science. 5th ed. Delhi: PHI Learning, 2015.

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