Willett, C. (2014). Interspecies ethic. Columbia University Press.
芝加哥风格引文Willett, Cynthia. Interspecies Ethic. New York: Columbia University Press, 2014.
MLA引文Willett, Cynthia. Interspecies Ethic. Columbia University Press, 2014.
警告：这些引文格式不一定是100％准确.