Citação norma APA

Xu, Y., Zheng, Y., Sun, X., Yu, X., Gu, J., Wu, W., . . . Mao, W. (2015). Concurrent radiotherapy with gefitinib in elderly patients with esophageal squamous cell carcinoma: Preliminary results of a phase II study. Oncotarget.

Citação norma Chicago

Xu, Yaping, et al. "Concurrent Radiotherapy With Gefitinib in Elderly Patients With Esophageal Squamous Cell Carcinoma: Preliminary Results of a Phase II Study." Oncotarget 2015.

Citação norma MLA

Xu, Yaping, et al. "Concurrent Radiotherapy With Gefitinib in Elderly Patients With Esophageal Squamous Cell Carcinoma: Preliminary Results of a Phase II Study." Oncotarget 2015.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.