APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.