Smoking, it's never too late to stop.

APA Citation

National Institute on Aging. (1999). Smoking, it's never too late to stop. [Bethesda, Md.]: U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, National Institute on Aging.

MLA Citation

National Institute on Aging. Smoking, It's Never Too Late to Stop. [Bethesda, Md.]: U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, National Institute on Aging, 1999.