Pfafflin, J. R., & Ziegler, E. N. (1992). Encyclopedia of environmental science and engineering (3rd ed., rev. and updated.). Gordon and Breach Science Publishers.
Chicago Style (17th ed.) CitationPfafflin, J. R., and E. N. Ziegler. Encyclopedia of Environmental Science and Engineering. 3rd ed., rev. and updated. Philadelphia: Gordon and Breach Science Publishers, 1992.
MLA (8th ed.) CitationPfafflin, J. R., and E. N. Ziegler. Encyclopedia of Environmental Science and Engineering. 3rd ed., rev. and updated. Gordon and Breach Science Publishers, 1992.
Warning: These citations may not always be 100% accurate.