APA (7th ed.) Citation

Douglas, I., & James, P. (2015). Urban ecology: An introduction. Routledge.

Chicago Style (17th ed.) Citation

Douglas, Ian, and Philip James. Urban Ecology: An Introduction. London [u.a.]: Routledge, 2015.

MLA (9th ed.) Citation

Douglas, Ian, and Philip James. Urban Ecology: An Introduction. Routledge, 2015.