Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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