Citazione Stile APA (7a Edizione)

Cunningham, W. P., Cunningham , M. A., & Saigo , B. (2005). Environmental science: A global concern (8th ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Cunningham, William P., Mary Ann Cunningham , e Barbara Saigo. Environmental Science: A Global Concern. 8th ed. Boston: McGraw-Hill, 2005.

Citatione MLA (9a ed.)

Cunningham, William P., et al. Environmental Science: A Global Concern. 8th ed. McGraw-Hill, 2005.