Ernst, W. G. (2000). Earth systems: Processes and issues. Cambridge University Press.
Čikaški stil citiranjaErnst, W. G. Earth Systems: Processes and Issues. Cambridge: Cambridge University Press, 2000.
MLA način citiranjaErnst, W. G. Earth Systems: Processes and Issues. Cambridge University Press, 2000.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.