Cita APA (7a ed.)

Beckmann, M. J. (1955). Studies in the economics of transportation. Yale University Press.

Cita Chicago Style (17a ed.)

Beckmann, Martin J. Studies in the Economics of Transportation. New Haven: Yale University Press, 1955.

Cita MLA (9a ed.)

Beckmann, Martin J. Studies in the Economics of Transportation. Yale University Press, 1955.