Metro area travel times, auto and transit, 1976.

MLA

National Capital Region Transportation Planning Board. Metro area travel times, auto and transit, 1976. [Washington] : Metropolitan Washington Council of Governments, National Capital Region Transportation Planning Board, 1977.

APA

National Capital Region Transportation Planning Board. (1977). Metro area travel times, auto and transit, 1976. [Washington] : Metropolitan Washington Council of Governments, National Capital Region Transportation Planning Board.

Chicago

National Capital Region Transportation Planning Board. Metro area travel times, auto and transit, 1976. [Washington] : Metropolitan Washington Council of Governments, National Capital Region Transportation Planning Board, 1977.