Pfafflin, J. R., & Ziegler, E. N. (1983). Encyclopedia of environmental science and engineering (2nd rev. and updated ed.). Gordon and Breach Science Publishers.
芝加哥风格引文Pfafflin, James R., 与 Edward N. Ziegler. Encyclopedia of Environmental Science and Engineering. 2nd rev. and updated ed. New York: Gordon and Breach Science Publishers, 1983.
MLA引文Pfafflin, James R., 与 Edward N. Ziegler. Encyclopedia of Environmental Science and Engineering. 2nd rev. and updated ed. Gordon and Breach Science Publishers, 1983.
警告：这些引文格式不一定是100％准确.