APA citiranje

Sharma, P. D. (2013). Ecology and environment (11th rev. ed.). Rastogi Publications.

Chicago Style (17th ed.) Citation

Sharma, P. D. Ecology and Environment. 11th rev. ed. Meerut: Rastogi Publications, 2013.

MLA citiranje

Sharma, P. D. Ecology and Environment. 11th rev. ed. Rastogi Publications, 2013.