Cita APA (7th ed.)

National Cooperative Highway Research Program & National Research Council (U.S.). Transportation Research Board. (1979). Continuing project to synthesize information on highway problems. Transportation Research Board.

Cita Chicago (17th ed.)

National Cooperative Highway Research Program i National Research Council (U.S.). Transportation Research Board. Continuing Project to Synthesize Information on Highway Problems. Washington, D.C: Transportation Research Board, 1979.

Cita MLA (9th ed.)

National Cooperative Highway Research Program i National Research Council (U.S.). Transportation Research Board. Continuing Project to Synthesize Information on Highway Problems. Transportation Research Board, 1979.