APA (7th ed.) Citation

N, A., L, L., MA, M., & CG, C. (1990). Outcomes of surgery for colorectal cancer in patients age 80 years and older. The American journal of gastroenterology, 85(9), 1096.

Chicago Style (17th ed.) Citation

N, Agarwal, Leighton L, Mandile MA, and Cayten CG. "Outcomes of Surgery for Colorectal Cancer in Patients Age 80 Years and Older." The American Journal of Gastroenterology 85, no. 9 (1990): 1096.

MLA (9th ed.) Citation

N, Agarwal, et al. "Outcomes of Surgery for Colorectal Cancer in Patients Age 80 Years and Older." The American Journal of Gastroenterology, vol. 85, no. 9, 1990, p. 1096.