APA Style

Foth, M. et al (2011). From Social Butterfly to Engaged Citizen: Urban Informatics, Social Media, Ubiquitous Computing, and Mobile Technology to Support Citizen Engagement . Cambridge: The MIT Press.

MLA Style

Foth, Marcus. et al. "From Social Butterfly to Engaged Citizen: Urban Informatics, Social Media, Ubiquitous Computing, and Mobile Technology to Support Citizen Engagement". Cambridge: The MIT Press, 2011. Text.