APA Edition Citation

Gurdeep Raj & Trivedi, P. R. (1998). Environmental biology.

Chicago Edition Citation

Gurdeep Raj and P R. Trivedi. Environmental Biology. New delhi, Akash deep publishing house, 1998.

MLA Edition Citation

Gurdeep Raj and P R. Trivedi. Environmental Biology. 1998.

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