Cita APA

Pfafflin, J. R., & Ziegler, E. N. (1998). Encyclopedia of Environmental Science and Engineering (4th ed., Revised and updated.). Gordon And Breach Science Publishers.

Citación estilo Chicago

Pfafflin, James R., and Edward N. Ziegler. Encyclopedia of Environmental Science and Engineering. 4th ed., Revised and updated. Australia: Gordon And Breach Science Publishers, 1998.

Cita MLA

Pfafflin, James R., and Edward N. Ziegler. Encyclopedia of Environmental Science and Engineering. 4th ed., Revised and updated. Gordon And Breach Science Publishers, 1998.