Citação norma APA

National Research Council (U.S.). Highway Research Board. (1971). Social, economic, and environmental factors of transportation: 20 reports. Highway Research Board, National Research Council.

Citação norma Chicago

National Research Council (U.S.). Highway Research Board. Social, Economic, and Environmental Factors of Transportation: 20 Reports. Washington, D.C: Highway Research Board, National Research Council, 1971.

Citação norma MLA

National Research Council (U.S.). Highway Research Board. Social, Economic, and Environmental Factors of Transportation: 20 Reports. Highway Research Board, National Research Council, 1971.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.