SpringerLink (Online service), Helmreich, S., & Keller, H. (2011). FREIGHTVISION - Sustainable European Freight Transport 2050: Forecast, Vision and Policy Recommendation. Springer Berlin Heidelberg.
Chicago Style (17th ed.) CitationSpringerLink (Online service), Stephan Helmreich, and Hartmut Keller. FREIGHTVISION - Sustainable European Freight Transport 2050: Forecast, Vision and Policy Recommendation. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011.
MLA (9th ed.) CitationSpringerLink (Online service), et al. FREIGHTVISION - Sustainable European Freight Transport 2050: Forecast, Vision and Policy Recommendation. Springer Berlin Heidelberg, 2011.
Warning: These citations may not always be 100% accurate.