APA (7th ed.) Citation

De, A. K., & De, A. K. (2009). Environment and ecology. New Age International.

Chicago Style (17th ed.) Citation

De, Anil Kumar, and Arnab Kumar De. Environment and Ecology. New Delhi: New Age International, 2009.

MLA (9th ed.) Citation

De, Anil Kumar, and Arnab Kumar De. Environment and Ecology. New Age International, 2009.

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