APA

Frye F. F., . (1973). Alternative multimodal passenger transportation systems. Washington, DC: Highway Research Board, Div. of Engineering, National Research Council, National Acad. of Sciences - National Acad. of Engineering.

Chicago

Frye Fréderick F, . 1973. Alternative multimodal passenger transportation systems. Washington, DC: Highway Research Board, Div. of Engineering, National Research Council, National Acad. of Sciences - National Acad. of Engineering.

Harvard

Frye F. F., . (1973). Alternative multimodal passenger transportation systems. Washington, DC: Highway Research Board, Div. of Engineering, National Research Council, National Acad. of Sciences - National Acad. of Engineering.

MLA

Frye Fréderick F, . Alternative multimodal passenger transportation systems. Washington, DC: Highway Research Board, Div. of Engineering, National Research Council, National Acad. of Sciences - National Acad. of Engineering. 1973.