APA
United States. Public Health Service. Office of the Surgeon General, United States. Office on Smoking and Health, . (1990). The health benefits of smoking cessation : a report of the Surgeon General. Rockville, Md: U.S. Office on Smoking and Health.
Chicago
United States. Public Health Service. Office of the Surgeon General, United States. Office on Smoking and Health, . 1990. The health benefits of smoking cessation : a report of the Surgeon General. Rockville, Md: U.S. Office on Smoking and Health.
Harvard
United States. Public Health Service. Office of the Surgeon General, United States. Office on Smoking and Health, . (1990). The health benefits of smoking cessation : a report of the Surgeon General. Rockville, Md: U.S. Office on Smoking and Health.
MLA
United States. Public Health Service. Office of the Surgeon General, United States. Office on Smoking and Health, . The health benefits of smoking cessation : a report of the Surgeon General. Rockville, Md: U.S. Office on Smoking and Health. 1990.