APA (7th ed.) Citation

DJ, V., J, G., RGJ, W., EF, E., J, V., G, K., & RB, L. (2003). Leisure activities and the risk of dementia. New England Journal of Medicine, 349(13), 1290.

Chicago Style (17th ed.) Citation

DJ, Vinkers, Gussekloo J, Westendorp RGJ, Epstein EF, Verghese J, Kuslansky G, and Lipton RB. "Leisure Activities and the Risk of Dementia." New England Journal of Medicine 349, no. 13 (2003): 1290.

MLA (9th ed.) Citation

DJ, Vinkers, et al. "Leisure Activities and the Risk of Dementia." New England Journal of Medicine, vol. 349, no. 13, 2003, p. 1290.