Cita APA (7a ed.)

Campbell, T. (2012). Beyond smart cities: How cities network, learn, and innovate. Earthscan.

Cita Chicago Style (17a ed.)

Campbell, Tim. Beyond Smart Cities: How Cities Network, Learn, and Innovate. Abingdon, Oxon [England]: Earthscan, 2012.

Cita MLA (8a ed.)

Campbell, Tim. Beyond Smart Cities: How Cities Network, Learn, and Innovate. Earthscan, 2012.