APA Citatie

Francis, R. A., & Chadwick, M. A. (2013). Urban ecosystems. Routledge.

Chicago Style citaat

Francis, Robert A., en Michael A. Chadwick. Urban Ecosystems. New York: Routledge, 2013.

MLA citatie

Francis, Robert A., en Michael A. Chadwick. Urban Ecosystems. Routledge, 2013.