APA Edition Citation

Punnen Kurian Venkadathu. (2000). Environmental biology and ethology.

Chicago Edition Citation

Punnen Kurian Venkadathu. Environmental Biology and Ethology. Kottayam, zoological society of Kerala, 2000.

MLA Edition Citation

Punnen Kurian Venkadathu. Environmental Biology and Ethology. 2000.