APA引文

Ernst, W. G. (2000). Earth systems: Processes and issues. Cambridge University Press.

Chicago Edition Citation

Ernst, W. G. Earth Systems: Processes and Issues. Cambridge: Cambridge University Press, 2000.

MLA引文

Ernst, W. G. Earth Systems: Processes and Issues. Cambridge University Press, 2000.

警告：这些引文格式不一定是100％准确.