Citazione Stile APA (7a Edizione)

Cunningham, W. P., & Saigo, B. W. (1990). Environmental science: A global concern. W. C. Brown.

Citazione stile Chigago Style (17a edizione)

Cunningham, William P., e Barbara Woodworth Saigo. Environmental Science: A Global Concern. Dubuque, IA: W. C. Brown, 1990.

Citatione MLA (9a ed.)

Cunningham, William P., e Barbara Woodworth Saigo. Environmental Science: A Global Concern. W. C. Brown, 1990.