APA (7th ed.) Citation

M, S., C, P., JR, G., JG, E., DS, L., K, S., . . . EP, S. (2003). Quality of health care delivered to adults in the United States. New England Journal of Medicine, 349(19), 1866.

Chicago Style (17th ed.) Citation

M, Spiegel, et al. "Quality of Health Care Delivered to Adults in the United States." New England Journal of Medicine 349, no. 19 (2003): 1866.

MLA (9th ed.) Citation

M, Spiegel, et al. "Quality of Health Care Delivered to Adults in the United States." New England Journal of Medicine, vol. 349, no. 19, 2003, p. 1866.