National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, & National Research Council (U.S.). Committee on Visibility. (1972). Visibility: 11 reports. Highway Research Board.
Citação do estilo Chicago (17ª ed.)National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, e National Research Council (U.S.). Committee on Visibility. Visibility: 11 Reports. Washington, D.C: Highway Research Board, 1972.
Citação MLA (9ª ed.)National Research Council (U.S.). Highway Research Board, et al. Visibility: 11 Reports. Highway Research Board, 1972.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.