APA (7th ed.) Citation

Sharma, P. D. (2009). Ecology and environment. Rastogi Publications.

Chicago Style (17th ed.) Citation

Sharma, P. D. Ecology and Environment. Meerut, India: Rastogi Publications, 2009.

MLA (9th ed.) Citation

Sharma, P. D. Ecology and Environment. Rastogi Publications, 2009.

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