APA način citiranja

Almhanna, K., & Hoffe, S. (2015). Esophageal cancer 2015, more questions than answers. J Gastrointest Oncol.

Čikaški stil citiranja

Almhanna, Khaldoun, i Sarah Hoffe. "Esophageal Cancer 2015, More Questions Than Answers." J Gastrointest Oncol 2015.

MLA način citiranja

Almhanna, Khaldoun, i Sarah Hoffe. "Esophageal Cancer 2015, More Questions Than Answers." J Gastrointest Oncol 2015.

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