Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Simpson, Richard, y Monika Zimmermann. The Economy of Green Cities: A World Compendium on the Green Urban Economy. Dordrecht: Springer Science Business Media, 2013.

Cita MLA (8a ed.)

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