Cita APA (7th ed.)

Agrawal, D. K. C. (1996). Environmental biology (2nded.). Agro Botanical Pub.

Cita Chicago (17th ed.)

Agrawal, Dr. K. C. Environmental Biology. 2nded. New Delhi: Agro Botanical Pub, 1996.

Cita MLA (9th ed.)

Agrawal, Dr. K. C. Environmental Biology. 2nded. Agro Botanical Pub, 1996.

Atenció: Aquestes cites poden no estar 100% correctes.