Citazione Stile APA (7a Edizione)

Nebel, B. J. (1993). Environmental science: The way the world works (4th ed.). Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Nebel, Bernard J. Environmental Science: The Way the World Works. 4th ed. Englewood Cliffs, N.J: Prentice Hall, 1993.

Citatione MLA (9a ed.)

Nebel, Bernard J. Environmental Science: The Way the World Works. 4th ed. Prentice Hall, 1993.