Callenbach, E. (2008). Ecology: A pocket guide (Rev. ed., 10th anniversary ed.). University of California Press.
芝加哥风格引文Callenbach, Ernest. Ecology: A Pocket Guide. Rev. ed., 10th anniversary ed. Berkeley: University of California Press, 2008.
MLA引文Callenbach, Ernest. Ecology: A Pocket Guide. Rev. ed., 10th anniversary ed. University of California Press, 2008.
警告：这些引文格式不一定是100％准确.