Citazione Stile APA (7a Edizione)

Cunningham, W. P., & Saigo, B. W. (1999). Environmental Science: A Global Concern (5th ed.). McGraw Hill.

Citazione stile Chigago Style (17a edizione)

Cunningham, William P., e Barbara Woodworth Saigo. Environmental Science: A Global Concern. 5th ed. Boston: McGraw Hill, 1999.

Citatione MLA (9a ed.)

Cunningham, William P., e Barbara Woodworth Saigo. Environmental Science: A Global Concern. 5th ed. McGraw Hill, 1999.