Cunningham, W. P., Cunningham, M. A., & Saigo, B. W. (2005). Environmental science: A global concern (8th ed.). McGraw-Hill Higher Education.
芝加哥风格引文Cunningham, William P., Mary Ann Cunningham, 与 Barbara Woodworth Saigo. Environmental Science: A Global Concern. 8th ed. Boston: McGraw-Hill Higher Education, 2005.
MLA引文Cunningham, William P., et al. Environmental Science: A Global Concern. 8th ed. McGraw-Hill Higher Education, 2005.
警告：这些引文格式不一定是100％准确.