APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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