APA

Instititution of Civil Engineers, . (1978). Traffic data collection. Conference held at the Institution of Civil Engineers, 5-6 April 1978. Proceedings. London: Instititution of Civil Engineers.

Chicago

Instititution of Civil Engineers, . 1978. Traffic data collection. Conference held at the Institution of Civil Engineers, 5-6 April 1978. Proceedings. London: Instititution of Civil Engineers.

Harvard

Instititution of Civil Engineers, . (1978). Traffic data collection. Conference held at the Institution of Civil Engineers, 5-6 April 1978. Proceedings. London: Instititution of Civil Engineers.

MLA

Instititution of Civil Engineers, . Traffic data collection. Conference held at the Institution of Civil Engineers, 5-6 April 1978. Proceedings. London: Instititution of Civil Engineers. 1978.