Cita APA (7th ed.)

Cunningham, W. P., & Saigo, B. W. (1995). Environmental science: A global concern (3rd ed.). Wm. C. Brown Publishers.

Cita Chicago (17th ed.)

Cunningham, William P., i Barbara Woodworth Saigo. Environmental Science: A Global Concern. 3rd ed. Dubuque, IA: Wm. C. Brown Publishers, 1995.

Cita MLA (8th ed.)

Cunningham, William P., i Barbara Woodworth Saigo. Environmental Science: A Global Concern. 3rd ed. Wm. C. Brown Publishers, 1995.