APA (7th ed.) Citation

Wells, J. V. (2007). Birder's conservation handbook: 100 North American birds at risk. Princeton University Press.

Chicago Style (17th ed.) Citation

Wells, Jeffrey V. Birder's Conservation Handbook: 100 North American Birds at Risk. Princeton: Princeton University Press, 2007.

MLA (8th ed.) Citation

Wells, Jeffrey V. Birder's Conservation Handbook: 100 North American Birds at Risk. Princeton University Press, 2007.