Cita APA (7a ed.)

Nebel, B. J., & Wright, R. T. (2000). Environmental Science: The Way the World Works (7th ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Nebel, Bernard J., y Richard T. Wright. Environmental Science: The Way the World Works. 7th ed. Upper Saddle River, New Jersey: Prentice Hall, 2000.

Cita MLA (9a ed.)

Nebel, Bernard J., y Richard T. Wright. Environmental Science: The Way the World Works. 7th ed. Prentice Hall, 2000.