Citação norma APA

National Research Council (U.S.). Highway Research Board, Moyer, R. A., Shupe, J. W., & Morgan, A. D. (1951). Roughness and skid resistance: Presented at the Thirtieth Annual Meeting, 1951. Highway Research Board.

Citação norma Chicago

National Research Council (U.S.). Highway Research Board, Ralph A. Moyer, John W. Shupe, and A. Duke Morgan. Roughness and Skid Resistance: Presented at the Thirtieth Annual Meeting, 1951. Washington, D.C: Highway Research Board, 1951.

Citação norma MLA

National Research Council (U.S.). Highway Research Board, et al. Roughness and Skid Resistance: Presented at the Thirtieth Annual Meeting, 1951. Highway Research Board, 1951.

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