Cita APA

(1956). HIGHWAY research board, proceedings of the thirty-fifth annual meeting: Editors Fred Burggraf and Elmer M.Ward. National research council.

Citación estilo Chicago

HIGHWAY Research Board, Proceedings of the Thirty-fifth Annual Meeting: Editors Fred Burggraf and Elmer M.Ward. Washington: National research council, 1956.

Cita MLA

HIGHWAY Research Board, Proceedings of the Thirty-fifth Annual Meeting: Editors Fred Burggraf and Elmer M.Ward. Washington: National research council, 1956.