Cita APA (7th ed.)

National Research Council (U.S.). Transporation Research Board. (1987). Visibility for highway guidance and hazard detection. Transportation Research Board, National Research Council.

Cita Chicago (17th ed.)

National Research Council (U.S.). Transporation Research Board. Visibility for Highway Guidance and Hazard Detection. Washington, D.C: Transportation Research Board, National Research Council, 1987.

Cita MLA (9th ed.)

National Research Council (U.S.). Transporation Research Board. Visibility for Highway Guidance and Hazard Detection. Transportation Research Board, National Research Council, 1987.