Citazione Stile APA (7a Edizione)

Hurd, A., & Hurd, A. (2012). The carbon efficient city. University of Washington Press.

Citazione stile Chigago Style (17a edizione)

Hurd, A-P, e Al Hurd. The Carbon Efficient City. Seattle: University of Washington Press, 2012.

Citatione MLA (9a ed.)

Hurd, A-P, e Al Hurd. The Carbon Efficient City. University of Washington Press, 2012.