Refsum, H., & Smith, A. (2017). Folic acid for the prevention of neural tube defects. American Medical Association.
Chicago Style (17th ed.) CitationRefsum, H., and A. Smith. Folic Acid for the Prevention of Neural Tube Defects. American Medical Association, 2017.
MLA (9th ed.) CitationRefsum, H., and A. Smith. Folic Acid for the Prevention of Neural Tube Defects. American Medical Association, 2017.
Warning: These citations may not always be 100% accurate.