APA (7th ed.) Zitazioa

Wagner, F. A. (1980). Energy impacts of urban transportation improvements. Institute of Transportation Engineers.

Chicago Style (17th ed.) Zitazioa

Wagner, Frederick A. Energy Impacts of Urban Transportation Improvements. Alexandría: Institute of Transportation Engineers, 1980.

MLA (9th ed.) Zitazioa

Wagner, Frederick A. Energy Impacts of Urban Transportation Improvements. Institute of Transportation Engineers, 1980.