APA-viite (7. p.)

Cunningham, W. P., & Saigo, B. W. (2001). Environmental science: A global concern (6th ed.). McGraw-Hill.

Chicago-viite (17. p.)

Cunningham, William P., ja Barbara Woodworth Saigo. Environmental Science: A Global Concern. 6th ed. Boston: McGraw-Hill, 2001.

MLA-viite (8. p.)

Cunningham, William P., ja Barbara Woodworth Saigo. Environmental Science: A Global Concern. 6th ed. McGraw-Hill, 2001.