APA (7th ed.) Citation

Helm, D. (2015). The carbon crunch / Dieter Helm (Revised and updated edition.). Yale University Press.

Chicago Style (17th ed.) Citation

Helm, Dieter. The Carbon Crunch / Dieter Helm. Revised and updated edition. New Haven: Yale University Press, 2015.

MLA (9th ed.) Citation

Helm, Dieter. The Carbon Crunch / Dieter Helm. Revised and updated edition. Yale University Press, 2015.

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