Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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