APA (7th ed.) Citation

Francis, R. A., & Chadwick, M. A. (2013). Urban ecosystems: Understanding the human environment. Routledge.

Chicago Style (17th ed.) Citation

Francis, Robert A., and Michael A. Chadwick. Urban Ecosystems: Understanding the Human Environment. New York: Routledge, 2013.

MLA (9th ed.) Citation

Francis, Robert A., and Michael A. Chadwick. Urban Ecosystems: Understanding the Human Environment. Routledge, 2013.