APA Edition Citation

Rana, S. V. S. (2009). Essentials of ecoloy and environmental science (4th ed.). PHI Learning.

Chicago Edition Citation

Rana, S. V. S. Essentials of Ecoloy and Environmental Science. 4th ed. New Delhi: PHI Learning, 2009.

MLA Edition Citation

Rana, S. V. S. Essentials of Ecoloy and Environmental Science. 4th ed. PHI Learning, 2009.

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