APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

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