APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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