APA (7th ed.) Citation

Helm, D. (2015). Natural capital : valuing our planet / Dieter Helm: Valuing our planet. Yale University Press.

Chicago Style (17th ed.) Citation

Helm, Dieter. Natural Capital : Valuing Our Planet / Dieter Helm: Valuing Our Planet. New Haven: Yale University Press, 2015.

MLA (9th ed.) Citation

Helm, Dieter. Natural Capital : Valuing Our Planet / Dieter Helm: Valuing Our Planet. Yale University Press, 2015.

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