Citazione Stile APA (7a Edizione)

CUNNINGHAM, W. P., CUNNINGHAM, M. A., & SAIGO, B. W. (2003). Environmental science: A global concern.-- ed.7. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

CUNNINGHAM, William P., Mary Ann CUNNINGHAM, e Barbara Woodworth SAIGO. Environmental Science: A Global Concern.-- Ed.7. Boston: McGraw-Hill, 2003.

Citatione MLA (9a ed.)

CUNNINGHAM, William P., et al. Environmental Science: A Global Concern.-- Ed.7. McGraw-Hill, 2003.