U. S. Office on Smoking and Health. (1989). Reducing the Health Consequences of Smoking; 25 Years of Progress: A Report of the Sugeon General, Executive Summary. Government Printing Office.
Cita Chicago Style (17a ed.)U. S. Office on Smoking and Health. Reducing the Health Consequences of Smoking; 25 Years of Progress: A Report of the Sugeon General, Executive Summary. Washington, D.C: Government Printing Office, 1989.
Cita MLA (9a ed.)U. S. Office on Smoking and Health. Reducing the Health Consequences of Smoking; 25 Years of Progress: A Report of the Sugeon General, Executive Summary. Government Printing Office, 1989.
Precaución: Estas citas no son 100% exactas.