APA (7th ed.) Citation

BJ, S., & MW, O. (2000). Primary care. Blurred vision. New England Journal of Medicine, 343(8), 556.

Chicago Style (17th ed.) Citation

BJ, Shingleton, and O'Donoghue MW. "Primary Care. Blurred Vision." New England Journal of Medicine 343, no. 8 (2000): 556.

MLA (9th ed.) Citation

BJ, Shingleton, and O'Donoghue MW. "Primary Care. Blurred Vision." New England Journal of Medicine, vol. 343, no. 8, 2000, p. 556.