Cita APA (7a ed.)

Rietveld, P., & Stough, R. R. (2004). Barriers to sustainable transport: Institutions, regulation and sustainability. Spon Press.

Cita Chicago Style (17a ed.)

Rietveld, Piet, y Roger R. Stough. Barriers to Sustainable Transport: Institutions, Regulation and Sustainability. London ; New York: Spon Press, 2004.

Cita MLA (9a ed.)

Rietveld, Piet, y Roger R. Stough. Barriers to Sustainable Transport: Institutions, Regulation and Sustainability. Spon Press, 2004.