Calzada, I. (2016). Smart city: Definition & case studies. Oxford Programme for the Future of Cities.
芝加哥风格引文Calzada, I. Smart City: Definition & Case Studies. Oxford Programme for the Future of Cities, 2016.
MLA引文Calzada, I. Smart City: Definition & Case Studies. Oxford Programme for the Future of Cities, 2016.
警告：这些引文格式不一定是100％准确.