Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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