Cita APA (7a ed.)

Kaushik, A. (2012). Perspective in Environmental Studies (3rd.). New Age.

Cita Chicago Style (17a ed.)

Kaushik, A. Perspective in Environmental Studies. 3rd. New Delhi: New Age, 2012.

Cita MLA (9a ed.)

Kaushik, A. Perspective in Environmental Studies. 3rd. New Age, 2012.