APA Citation

Sharma, A. K., Ray, D., & Ghosh, S. N. (2012). Biological diversity: Origin. evolution and conservation. Kolkata: Viva Books.

Chicago Style Citation

Sharma, Arun Kumar, Debal Ray, and Soumyendra Nath Ghosh. Biological Diversity: Origin. Evolution and Conservation. Kolkata: Viva Books, 2012.

MLA Citation

Sharma, Arun Kumar, Debal Ray, and Soumyendra Nath Ghosh. Biological Diversity: Origin. Evolution and Conservation. Kolkata: Viva Books, 2012.

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