Cita APA (7a ed.)

Erisman, P. (2017). Six billion shoppers: The companies winning the global e-commerce boom (First U.S. edition.). St. Martin's Press.

Cita Chicago Style (17a ed.)

Erisman, Porter. Six Billion Shoppers: The Companies Winning the Global E-commerce Boom. First U.S. edition. New York, N.Y.: St. Martin's Press, 2017.

Cita MLA (8a ed.)

Erisman, Porter. Six Billion Shoppers: The Companies Winning the Global E-commerce Boom. First U.S. edition. St. Martin's Press, 2017.

Precaución: Estas citas no son 100% exactas.