APA引文
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, N.J. ; Woodstock: Princeton University Press, 2007.
MLA引文
Wells, Jeffrey V. Birder's Conservation Handbook: 100 North American Birds at Risk. Princeton University Press, 2007.
警告：這些引文格式不一定是100％准確.