APA

Hill, Marquita K, . (2007). Understanding environment pollution a primer. Cambridge: Cambridge University Press.

Chicago

Hill, Marquita K, . 2007. Understanding environment pollution a primer. Cambridge: Cambridge University Press.

Harvard

Hill, Marquita K, . (2007). Understanding environment pollution a primer. Cambridge: Cambridge University Press.

MLA

Hill, Marquita K, . Understanding environment pollution a primer. Cambridge: Cambridge University Press. 2007.