Hay, J. (2007). In defense of nature (1st University of Iowa Press ed.). University of Iowa Press.
芝加哥风格引文Hay, John. In Defense of Nature. 1st University of Iowa Press ed. Iowa City: University of Iowa Press, 2007.
MLA引文Hay, John. In Defense of Nature. 1st University of Iowa Press ed. University of Iowa Press, 2007.
警告：这些引文格式不一定是100％准确.