APA (7th ed.) Citation

JA, B., BF, C., RS, S., RW, H., D, A., R, B., . . . N, M. (2003). A randomized trial of aspirin to prevent colorectal adenomas. New England Journal of Medicine, 348(10), 891.

Chicago Style (17th ed.) Citation

JA, Baron, et al. "A Randomized Trial of Aspirin to Prevent Colorectal Adenomas." New England Journal of Medicine 348, no. 10 (2003): 891.

MLA (9th ed.) Citation

JA, Baron, et al. "A Randomized Trial of Aspirin to Prevent Colorectal Adenomas." New England Journal of Medicine, vol. 348, no. 10, 2003, p. 891.