Citazione Stile APA (7a Edizione)

Wright, R. T. (2005). Environmental science: Toward a sustainable future (9th ed.). Pearson Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Wright, Richard T. Environmental Science: Toward a Sustainable Future. 9th ed. London: Pearson Prentice Hall, 2005.

Citatione MLA (9a ed.)

Wright, Richard T. Environmental Science: Toward a Sustainable Future. 9th ed. Pearson Prentice Hall, 2005.