APA (7th ed.) Citation

Hill, M. K. (2010). Understanding environmental pollution (3rd ed.). Univ. Pr.

Chicago Style (17th ed.) Citation

Hill, Marquita K. Understanding Environmental Pollution. 3rd ed. Cambridge: Univ. Pr, 2010.

MLA (9th ed.) Citation

Hill, Marquita K. Understanding Environmental Pollution. 3rd ed. Univ. Pr, 2010.