U. S. Office on Smoking and Health. (1984). Chronic Obstructive Lung Disease: A Report of the Surgeon General.
Cita Chicago Style (17a ed.)U. S. Office on Smoking and Health. Chronic Obstructive Lung Disease: A Report of the Surgeon General. Rockville, 1984.
Cita MLA (9a ed.)U. S. Office on Smoking and Health. Chronic Obstructive Lung Disease: A Report of the Surgeon General. 1984.
Precaución: Estas citas no son 100% exactas.