APA Citation

Patra Ajay Kumar. (1997). Environmental studies. Calcutta: Kalyani Publishers.

Chicago Style Citation

Patra Ajay Kumar. Environmental Studies. Calcutta: Kalyani Publishers, 1997.

MLA Citation

Patra Ajay Kumar. Environmental Studies. Calcutta: Kalyani Publishers, 1997.

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