APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

De, Anil K. [] , and Arnab Kumar De. Environment and Ecology [. New Delhi, India: New Age International, 2009.

MLA (9th ed.) Citation

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