APA (7th ed.) Citation

NL, J., KJ, K., & FH, E. (2000). Mechanisms of disease. Exercise limitation in health and disease. New England Journal of Medicine, 343(9), 632.

Chicago Style (17th ed.) Citation

NL, Jones, Killian KJ, and Epstein FH. "Mechanisms of Disease. Exercise Limitation in Health and Disease." New England Journal of Medicine 343, no. 9 (2000): 632.

MLA (9th ed.) Citation

NL, Jones, et al. "Mechanisms of Disease. Exercise Limitation in Health and Disease." New England Journal of Medicine, vol. 343, no. 9, 2000, p. 632.