APA (7th ed.) Citation

Walker, A. R., & Burger, H. M. (1997). Bone Mass and the Risk of Breast Cancer. New England Journal of Medicine, 337(3), 199. https://doi.org/10.1056/NEJM199707173370312

Chicago Style (17th ed.) Citation

Walker, Alexander R.P., and Hester M. Burger. "Bone Mass and the Risk of Breast Cancer." New England Journal of Medicine 337, no. 3 (1997): 199. https://doi.org/10.1056/NEJM199707173370312.

MLA (9th ed.) Citation

Walker, Alexander R.P., and Hester M. Burger. "Bone Mass and the Risk of Breast Cancer." New England Journal of Medicine, vol. 337, no. 3, 1997, p. 199, https://doi.org/10.1056/NEJM199707173370312.