Cita APA (7th ed.)

Dudek, C. L., & Ullman, G. L. (1992). Freeway corridor management. Transportation Research Board, National Research Council.

Cita Chicago (17th ed.)

Dudek, Conrad L., i Gerald L. Ullman. Freeway Corridor Management. Washington, D.C: Transportation Research Board, National Research Council, 1992.

Cita MLA (9th ed.)

Dudek, Conrad L., i Gerald L. Ullman. Freeway Corridor Management. Transportation Research Board, National Research Council, 1992.