APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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