Cita APA (7th ed.)

Marlow, M., & Evans, R. (1978). Urban congestion survey 1976: Traffic flows and speeds in eight towns and five conurbations. Transport and Road Research Laboratory.

Cita Chicago (17th ed.)

Marlow, M., i Ruth Evans. Urban Congestion Survey 1976: Traffic Flows and Speeds in Eight Towns and Five Conurbations. Crowthorne, [Eng.]: Transport and Road Research Laboratory, 1978.

Cita MLA (9th ed.)

Marlow, M., i Ruth Evans. Urban Congestion Survey 1976: Traffic Flows and Speeds in Eight Towns and Five Conurbations. Transport and Road Research Laboratory, 1978.