APA (7th ed.) Citation

Nair, P. (1990). Principles of environmental biology. Himalaya Pub House.

Chicago Style (17th ed.) Citation

Nair, P. Principles of Environmental Biology. Delhi: Himalaya Pub House, 1990.

MLA (9th ed.) Citation

Nair, P. Principles of Environmental Biology. Himalaya Pub House, 1990.