Cita APA (7a ed.)

Nebel, B. J., & Wright, R. T. (1996). Environmental science: The way the world works (5th ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Nebel, Bernard J., y Richard T. Wright. Environmental Science: The Way the World Works. 5th ed. Upper Saddle River,N.J: Prentice Hall, 1996.

Cita MLA (9a ed.)

Nebel, Bernard J., y Richard T. Wright. Environmental Science: The Way the World Works. 5th ed. Prentice Hall, 1996.