APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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