APA način citiranja (7. izdanje)

ebrary, Inc, & Helm, D. (2005). Climate-change policy. Oxford University Press.

Čikaški stil citiranja (17. izdanje)

ebrary, Inc, i Dieter Helm. Climate-change Policy. Oxford: Oxford University Press, 2005.

MLA način citiranja (9. izdanje)

ebrary, Inc, i Dieter Helm. Climate-change Policy. Oxford University Press, 2005.