Cita APA (7th ed.)
Wright, R. T. (2008). Environmental science: Toward a sustainable future (10th ed.). Pearson Prentice Hall.
Cita Chicago (17th ed.)
Wright, Richard T. Environmental Science: Toward a Sustainable Future. 10th ed. Upper Saddle River, NJ: Pearson Prentice Hall, 2008.
Cita MLA (9th ed.)
Wright, Richard T. Environmental Science: Toward a Sustainable Future. 10th ed. Pearson Prentice Hall, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.