APA引文

Keller, E. A. (2011). Environmental geology (9th ed.). Prentice Hall.

Chicago Edition Citation

Keller, Edward A. Environmental Geology. 9th ed. Boston: Prentice Hall, 2011.

MLA引文

Keller, Edward A. Environmental Geology. 9th ed. Prentice Hall, 2011.

警告：这些引文格式不一定是100％准确.