APA (7th ed.) Citation

Simpson, R., & Zimmermann, M. (2013). The economy of green cities: A world compendium on the green urban economy. Springer.

Chicago Style (17th ed.) Citation

Simpson, Richard, and Monika Zimmermann. The Economy of Green Cities: A World Compendium on the Green Urban Economy. New York: Springer, 2013.

MLA (9th ed.) Citation

Simpson, Richard, and Monika Zimmermann. The Economy of Green Cities: A World Compendium on the Green Urban Economy. Springer, 2013.