APA (7th ed.) Citation

SP, K., A, P. K., Kumar, S. P., & Pavan Kumar, A. (2009). Carcinoma in the fourth part of the duodenum. Canadian Journal of Surgery, 52(3), E69.

Chicago Style (17th ed.) Citation

SP, Kumar, Pavan Kumar A, Sampath P. Kumar, and Addala Pavan Kumar. "Carcinoma in the Fourth Part of the Duodenum." Canadian Journal of Surgery 52, no. 3 (2009): E69.

MLA (9th ed.) Citation

SP, Kumar, et al. "Carcinoma in the Fourth Part of the Duodenum." Canadian Journal of Surgery, vol. 52, no. 3, 2009, p. E69.