APA (7th ed.) Citation

Z, K., SM, C., P, M., Kassam, Z., Collins, S. M., & Moayyedi, P. (2013). Peripheral mechanisms in irritable bowel syndrome. New England Journal of Medicine, 368(6), 577. https://doi.org/10.1056/NEJMc1214185

Chicago Style (17th ed.) Citation

Z, Kassam, Collins SM, Moayyedi P, Zain Kassam, Stephen M. Collins, and Paul Moayyedi. "Peripheral Mechanisms in Irritable Bowel Syndrome." New England Journal of Medicine 368, no. 6 (2013): 577. https://doi.org/10.1056/NEJMc1214185.

MLA (9th ed.) Citation

Z, Kassam, et al. "Peripheral Mechanisms in Irritable Bowel Syndrome." New England Journal of Medicine, vol. 368, no. 6, 2013, p. 577, https://doi.org/10.1056/NEJMc1214185.