Cita APA

National Research Council (Estados Unidos). Transportation Research Board, & National Research Council (Estados Unidos). Transportation Research Board. (1978). Bridge engineering: Proceedings of a conference conduced by the Transportation Research Board, September 25-27, 1978. --. Washington.

Citación estilo Chicago

National Research Council (Estados Unidos). Transportation Research Board, y National Research Council (Estados Unidos). Transportation Research Board. Bridge Engineering: Proceedings of a Conference Conduced By the Transportation Research Board, September 25-27, 1978. --. Washington, 1978.

Cita MLA

National Research Council (Estados Unidos). Transportation Research Board, y National Research Council (Estados Unidos). Transportation Research Board. Bridge Engineering: Proceedings of a Conference Conduced By the Transportation Research Board, September 25-27, 1978. --. Washington, 1978.