APA (7th ed.) Citation

Douglas, I., & James, P. (2014). Urban ecology: An introduction. Routledge.

Chicago Style (17th ed.) Citation

Douglas, Ian, and Philip James. Urban Ecology: An Introduction. Milton Park, Abingdon, Oxon ; New York, NY: Routledge, 2014.

MLA (9th ed.) Citation

Douglas, Ian, and Philip James. Urban Ecology: An Introduction. Routledge, 2014.