APA

[VNU Science Press], . (1984). Transportation and traffic theory. 9th international symposium, Delft 11-13 July 1984. Proceedings. Utrecht: [VNU Science Press].

Chicago

[VNU Science Press], . 1984. Transportation and traffic theory. 9th international symposium, Delft 11-13 July 1984. Proceedings. Utrecht: [VNU Science Press].

Harvard

[VNU Science Press], . (1984). Transportation and traffic theory. 9th international symposium, Delft 11-13 July 1984. Proceedings. Utrecht: [VNU Science Press].

MLA

[VNU Science Press], . Transportation and traffic theory. 9th international symposium, Delft 11-13 July 1984. Proceedings. Utrecht: [VNU Science Press]. 1984.