Cita APA (7th ed.)

Ulberg, C. G. (1990). Issues in the shift from regional to local provision of bus service. Transportation Research Board, National Research Council.

Cita Chicago (17th ed.)

Ulberg, Cyrus G. Issues in the Shift from Regional to Local Provision of Bus Service. Washington, D.C: Transportation Research Board, National Research Council, 1990.

Cita MLA (9th ed.)

Ulberg, Cyrus G. Issues in the Shift from Regional to Local Provision of Bus Service. Transportation Research Board, National Research Council, 1990.