APA Citation

Beletsky, L., & Nurney, D. (2006). Collins birds of the world. London: HarperCollins Pub..

Chicago Style Citation

Beletsky, Les, and David Nurney. Collins Birds of the World. London: HarperCollins Pub., 2006.

MLA Citation

Beletsky, Les, and David Nurney. Collins Birds of the World. London: HarperCollins Pub., 2006.

Warning: These citations may not always be 100% accurate.