APA Edition Citation

Sharma, P. D. (1997). Environmental biology: Textbool for university students (2.).

Chicago Edition Citation

Sharma, P D. Environmental Biology: Textbool for University Students. 2. Rastogi Publications, Meerut, 1997.

MLA Edition Citation

Sharma, P D. Environmental Biology: Textbool for University Students. 2. 1997.

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