The health consequences of smoking :
1969 supplement to the 1967 Public health service review.

APA Citation

National Clearinghouse for Smoking and Health. (1969). The health consequences of smoking: 1969 supplement to the 1967 Public health service review. Washington: U.S. Dept. of Health, Education, and Welfare, Public Health Service.

MLA Citation

National Clearinghouse for Smoking and Health. The Health Consequences of Smoking: 1969 Supplement to the 1967 Public Health Service Review. Washington: U.S. Dept. of Health, Education, and Welfare, Public Health Service, 1969.