Cita APA (7a ed.)

Berg, L. v. d., Braun, E., & Meer, J. v. d. (2007). National policy responses to urban challenges in Europe. Ashgate.

Cita Chicago Style (17a ed.)

Berg, Leo van den, Erik Braun, y J. van der Meer. National Policy Responses to Urban Challenges in Europe. Aldershot, England ; Burlington, VT: Ashgate, 2007.

Cita MLA (8a ed.)

Berg, Leo van den, et al. National Policy Responses to Urban Challenges in Europe. Ashgate, 2007.