Cita APA (7a ed.)

Lancaster, K. (1979). Variety, equity, and efficiency: Product variety in an industrial society. Columbia University Press.

Cita Chicago Style (17a ed.)

Lancaster, Kelvin. Variety, Equity, and Efficiency: Product Variety in an Industrial Society. New York: Columbia University Press, 1979.

Cita MLA (9a ed.)

Lancaster, Kelvin. Variety, Equity, and Efficiency: Product Variety in an Industrial Society. Columbia University Press, 1979.