Cita APA (7a ed.)

Barford, M. F. (1991). Tobacco to 1995: Consumption moves South. The Economist Intelligence Unit.

Cita Chicago Style (17a ed.)

Barford, Michael F. Tobacco to 1995: Consumption Moves South. London: The Economist Intelligence Unit, 1991.

Cita MLA (9a ed.)

Barford, Michael F. Tobacco to 1995: Consumption Moves South. The Economist Intelligence Unit, 1991.