APA (7th ed.) Citation

SW, F., JG, E., Fletcher, S. W., & Elmore, J. G. (2003). Clinical practice. Mammographic screening for breast cancer. New England Journal of Medicine, 348(17), 1672.

Chicago Style (17th ed.) Citation

SW, Fletcher, Elmore JG, Suzanne W. Fletcher, and Joann G. Elmore. "Clinical Practice. Mammographic Screening for Breast Cancer." New England Journal of Medicine 348, no. 17 (2003): 1672.

MLA (9th ed.) Citation

SW, Fletcher, et al. "Clinical Practice. Mammographic Screening for Breast Cancer." New England Journal of Medicine, vol. 348, no. 17, 2003, p. 1672.