APA (7th ed.) Citation

SJ, O., DJ, P., RC, H., J, L., BA, C., J, B., . . . DS, L. (2005). A potential decline in life expectancy in the United States in the 21st century. New England Journal of Medicine, 352(11), 1138.

Chicago Style (17th ed.) Citation

SJ, Olshansky, et al. "A Potential Decline in Life Expectancy in the United States in the 21st Century." New England Journal of Medicine 352, no. 11 (2005): 1138.

MLA (9th ed.) Citation

SJ, Olshansky, et al. "A Potential Decline in Life Expectancy in the United States in the 21st Century." New England Journal of Medicine, vol. 352, no. 11, 2005, p. 1138.