Cita APA (7th ed.)

National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, & Fitzpatrick, K. (2003). Design speed, operating speed, and posted speed practices. Transportation Research Board, National Research Council.

Cita Chicago (17th ed.)

National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, i Kay Fitzpatrick. Design Speed, Operating Speed, and Posted Speed Practices. Washington, D.C: Transportation Research Board, National Research Council, 2003.

Cita MLA (9th ed.)

National Cooperative Highway Research Program, et al. Design Speed, Operating Speed, and Posted Speed Practices. Transportation Research Board, National Research Council, 2003.