Citazione Stile APA (7a Edizione)

Nebel, B. J. (1998). Environmental science: The way the world works (6th ed.). Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Nebel, Bernard J. Environmental Science: The Way the World Works. 6th ed. Upper Saddle River, N.J: Prentice Hall, 1998.

Citatione MLA (9a ed.)

Nebel, Bernard J. Environmental Science: The Way the World Works. 6th ed. Prentice Hall, 1998.