Center for Chronic Disease Prevention and Health Promotion. Office on Smoking and Health. Smoking and Health Bulletin. Center for Chronic Disease Prevention and Health Promotion.
Cita Chicago Style (17a ed.)Center for Chronic Disease Prevention and Health Promotion. Office on Smoking and Health. Smoking and Health Bulletin. Rockville: Center for Chronic Disease Prevention and Health Promotion.
Cita MLA (9a ed.)Center for Chronic Disease Prevention and Health Promotion. Office on Smoking and Health. Smoking and Health Bulletin. Center for Chronic Disease Prevention and Health Promotion.
Precaución: Estas citas no son 100% exactas.