APA引文

Conningham,William P, & Saigo Barbara Woodworth. (1990). Environmental science: A global concern. Brown Publishers.

Chicago Edition Citation

Conningham,William P, and Saigo Barbara Woodworth. Environmental Science: A Global Concern. Boston: Brown Publishers, 1990.

MLA引文

Conningham,William P, and Saigo Barbara Woodworth. Environmental Science: A Global Concern. Brown Publishers, 1990.

警告：這些引文格式不一定是100％准確.