Cita APA (7th ed.)

Rajagopalan R. (2016). Environmental Studies (3rd.). Oxford University Press.

Cita Chicago (17th ed.)

Rajagopalan R. Environmental Studies. 3rd. New Delhi: Oxford University Press, 2016.

Cita MLA (9th ed.)

Rajagopalan R. Environmental Studies. 3rd. Oxford University Press, 2016.