Cita APA (7a ed.)

Ravetz, J. (2000). City-region 2020: Integrated planning for a sustainable environment. Earthscan.

Cita Chicago Style (17a ed.)

Ravetz, Joe. City-region 2020: Integrated Planning for a Sustainable Environment. London: Earthscan, 2000.

Cita MLA (9a ed.)

Ravetz, Joe. City-region 2020: Integrated Planning for a Sustainable Environment. Earthscan, 2000.