Cita APA (7a ed.)
Barford, M. F., & Ridgway, L. V. (1968). World Tobacco: A quarterly magazine for the world tobacco industry. Trade Publ.
Cita Chicago Style (17a ed.)
Barford, Michael F., y Laurence V. Ridgway. World Tobacco: A Quarterly Magazine for the World Tobacco Industry. London: Trade Publ, 1968.
Cita MLA (9a ed.)
Barford, Michael F., y Laurence V. Ridgway. World Tobacco: A Quarterly Magazine for the World Tobacco Industry. Trade Publ, 1968.
Precaución: Estas citas no son 100% exactas.