APA način citiranja (7. izdanje)

Wright, R. T., & Nebel, B. J. (2002). Environmental science: Toward a sustainable future (Eighth edition.). Pearson Education.

Čikaški stil citiranja (17. izdanje)

Wright, Richard T., i Bernard J. Nebel. Environmental Science: Toward a Sustainable Future. Eighth edition. Upper Saddle River, New Jersey: Pearson Education, 2002.

MLA način citiranja (9. izdanje)

Wright, Richard T., i Bernard J. Nebel. Environmental Science: Toward a Sustainable Future. Eighth edition. Pearson Education, 2002.