Cita APA

National Research Council (Estados Unidos). Transportation Research Board, & National Research Council (Estados Unidos). Transportation Research Board. (1977). Rail transit. Washington: National Academy of Sciences.

Citación estilo Chicago

National Research Council (Estados Unidos). Transportation Research Board, y National Research Council (Estados Unidos). Transportation Research Board. Rail Transit. Washington: National Academy of Sciences, 1977.

Cita MLA

National Research Council (Estados Unidos). Transportation Research Board, y National Research Council (Estados Unidos). Transportation Research Board. Rail Transit. Washington: National Academy of Sciences, 1977.

Precaución: Estas citas no son 100% exactas.