Exercise :
a guide from the National Institute on Aging.

APA Citation

National Institute on Aging. (2001). Exercise: a guide from the National Institute on Aging. Bethesda, MD: National Institute on Aging.

MLA Citation

National Institute on Aging. Exercise: a Guide From the National Institute On Aging. Bethesda, MD: National Institute on Aging, 2001.

Warning: These citations may not always be complete (especially for serials).