APA (7th ed.) Citation

(2011). Cities of Tomorrow: Challenges, visions, ways forward. European Union.

Chicago Style (17th ed.) Citation

Cities of Tomorrow: Challenges, Visions, Ways Forward. Brussels: European Union, 2011.

MLA (9th ed.) Citation

Cities of Tomorrow: Challenges, Visions, Ways Forward. European Union, 2011.

Warning: These citations may not always be 100% accurate.