APA (7th ed.) Citation

AN, K., PA, R. d. S., DB, A., & PE, B. (2004). A case of retroperitoneal lymphoma presenting as pancreatic tumor. Hepato-gastroenterology, 51(55), 259.

Chicago Style (17th ed.) Citation

AN, Kalil, Reck dos Santos PA, Azambuja DB, and Beck PE. "A Case of Retroperitoneal Lymphoma Presenting as Pancreatic Tumor." Hepato-gastroenterology 51, no. 55 (2004): 259.

MLA (9th ed.) Citation

AN, Kalil, et al. "A Case of Retroperitoneal Lymphoma Presenting as Pancreatic Tumor." Hepato-gastroenterology, vol. 51, no. 55, 2004, p. 259.