Cita APA

Gervais, E. F., & Roth, W. (1960). An evaluation of freeway ramp closure. John C. Lodge Freeway Traffic Surveillance Research Project.

Citación estilo Chicago

Gervais, Edward F., and Walter Roth. An Evaluation of Freeway Ramp Closure. [Detroit, Mich.: John C. Lodge Freeway Traffic Surveillance Research Project, 1960.

Cita MLA

Gervais, Edward F., and Walter Roth. An Evaluation of Freeway Ramp Closure. John C. Lodge Freeway Traffic Surveillance Research Project, 1960.