APA (7th ed.) Citation

Asthana, D. K. (2001). A Textbook of Environmental Studies. S. Chand & Company.

Chicago Style (17th ed.) Citation

Asthana, D. K. A Textbook of Environmental Studies. New Delhi: S. Chand & Company, 2001.

MLA (9th ed.) Citation

Asthana, D. K. A Textbook of Environmental Studies. S. Chand & Company, 2001.

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