APA Citation

De, A., & De, A. K. (2010). Environmental chemistry (7th ed.). Kolkata: New Age.

Chicago Style Citation

De, A.K., and Arnab Kumar De. Environmental Chemistry. 7th ed. Kolkata: New Age, 2010.

MLA Citation

De, A.K., and Arnab Kumar De. Environmental Chemistry. 7th ed. Kolkata: New Age, 2010.

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