Citazione Stile APA (7a Edizione)

National Research Council (U.S.). Transportation Research Board. (1992). Bridge, culvert, and tunnel research. National Academy Press.

Citazione stile Chigago Style (17a edizione)

National Research Council (U.S.). Transportation Research Board. Bridge, Culvert, and Tunnel Research. Washington, D.C: National Academy Press, 1992.

Citatione MLA (9a ed.)

National Research Council (U.S.). Transportation Research Board. Bridge, Culvert, and Tunnel Research. National Academy Press, 1992.