APA

Smith W., . (1977). Challenge in developing a multimodal urban transportation system. : IRF world meeting 8. Session C.

Chicago

Smith WS, . 1977. Challenge in developing a multimodal urban transportation system. : IRF world meeting 8. Session C.

Harvard

Smith W., . (1977). Challenge in developing a multimodal urban transportation system. : IRF world meeting 8. Session C.

MLA

Smith WS, . Challenge in developing a multimodal urban transportation system. : IRF world meeting 8. Session C. 1977.