Cita APA (7th ed.)

Dahir, S. H., Gramling, W. L., & Brown, B. C. (1990). Wet-pavement safety programs. Transportation Research Board, National Research Council.

Cita Chicago (17th ed.)

Dahir, S. H., W. L. Gramling, i Bernard C. Brown. Wet-pavement Safety Programs. Washington, D.C: Transportation Research Board, National Research Council, 1990.

Cita MLA (9th ed.)

Dahir, S. H., et al. Wet-pavement Safety Programs. Transportation Research Board, National Research Council, 1990.