Cita APA (7a ed.)

Harper, D. V. (1959). Economic regulation of the motor trucking industry by the States. University of Illinois Press.

Cita Chicago Style (17a ed.)

Harper, Donald Victor. Economic Regulation of the Motor Trucking Industry by the States. Urbana, Ill: University of Illinois Press, 1959.

Cita MLA (9a ed.)

Harper, Donald Victor. Economic Regulation of the Motor Trucking Industry by the States. University of Illinois Press, 1959.