Cunningham, W. P., & Saigo, B. W. (1992). Environmental science: A global concern. Wm. C. Brown.
芝加哥风格引文Cunningham, William P., 与 Barbara Woodworth Saigo. Environmental Science: A Global Concern. Dubuque, Iowa: Wm. C. Brown, 1992.
MLA引文Cunningham, William P., 与 Barbara Woodworth Saigo. Environmental Science: A Global Concern. Wm. C. Brown, 1992.
警告：这些引文格式不一定是100％准确.