APA (7th ed.) Citation

National Institutes of Health (U.S.). (2000). What to ask your doctor. National Institutes of Health.

Chicago Style (17th ed.) Citation

National Institutes of Health (U.S.). What to Ask Your Doctor. [Bethesda, Md.]: National Institutes of Health, 2000.

MLA (9th ed.) Citation

National Institutes of Health (U.S.). What to Ask Your Doctor. National Institutes of Health, 2000.