APA引文
Cunningham, W. P., & Saigo, B. W. (1997). Environmental science: A global concern (4th ed.). WCB McGraw-Hill.
芝加哥风格引文
Cunningham, William P., 与 Barbara Woodworth Saigo. Environmental Science: A Global Concern. 4th ed. Boston: WCB McGraw-Hill, 1997.
MLA引文
Cunningham, William P., 与 Barbara Woodworth Saigo. Environmental Science: A Global Concern. 4th ed. WCB McGraw-Hill, 1997.
警告：这些引文格式不一定是100％准确.