Citazione Stile APA (7a Edizione)

Curtis, C., & Low, N. (2012). Institutional barriers to sustainable transport. Ashgate.

Citazione stile Chigago Style (17a edizione)

Curtis, Carey, e Nicholas Low. Institutional Barriers to Sustainable Transport. Burlington, Vt.: Ashgate, 2012.

Citatione MLA (9a ed.)

Curtis, Carey, e Nicholas Low. Institutional Barriers to Sustainable Transport. Ashgate, 2012.