APA

Turnbull K. F., Ringrose M. R., . (1993). Integrated traffic management systems. Symposium held June 24-26, 1992 in Irvine, California. Proceedings. Washington DC: Transportation Research Circular 404.

Chicago

Turnbull Katherine F, Ringrose Michael R, . 1993. Integrated traffic management systems. Symposium held June 24-26, 1992 in Irvine, California. Proceedings. Washington DC: Transportation Research Circular 404.

Harvard

Turnbull K. F., Ringrose M. R., . (1993). Integrated traffic management systems. Symposium held June 24-26, 1992 in Irvine, California. Proceedings. Washington DC: Transportation Research Circular 404.

MLA

Turnbull Katherine F, Ringrose Michael R, . Integrated traffic management systems. Symposium held June 24-26, 1992 in Irvine, California. Proceedings. Washington DC: Transportation Research Circular 404. 1993.