APA Citation

ProQuest (Firm), & Helm, D. (2005). Climate-change policy. Oxford: Oxford University Press.

Chicago Style Citation

ProQuest (Firm), and Dieter Helm. Climate-change Policy. Oxford: Oxford University Press, 2005.

MLA Citation

ProQuest (Firm), and Dieter Helm. Climate-change Policy. Oxford: Oxford University Press, 2005.

Warning: These citations may not always be 100% accurate.