APA引文
Cunningham, W. P., & Cunningham, M. A. (2004). Principles of environmental science: Inquiry and applications (2nd ed.). McGraw-Hill Higher Education; Tata McGraw-Hill.
芝加哥风格引文
Cunningham, William P., 与 Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. 2nd ed. Boston ; New Delhi: McGraw-Hill Higher Education; Tata McGraw-Hill, 2004.
MLA引文
Cunningham, William P., 与 Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. 2nd ed. McGraw-Hill Higher Education; Tata McGraw-Hill, 2004.
警告：这些引文格式不一定是100％准确.