APA Style

Pfafflin, J, R., Ziegler, E, N. (2006). Encyclopedia Of Environmental Science and Engineering (v.1 - c.1). Florida: CRC Press.

MLA Style

Pfafflin, James, R.., Ziegler, Edward, N.. "Encyclopedia Of Environmental Science and Engineering". v.1 - c.1 Florida: CRC Press, 2006. Text.