APA (7th ed.) Citation

Batra, A., Cuthbert, C., Harper, A., Boyne, D., Yang, L., & Cheung, W. (2020). P-239 Patient-reported outcomes in patients with metastatic gastric and esophageal cancers near end-of-life. Annals of Oncology, 31, S168. https://doi.org/10.1016/j.annonc.2020.04.321

Chicago Style (17th ed.) Citation

Batra, A., C. Cuthbert, A. Harper, D. Boyne, L. Yang, and W. Cheung. "P-239 Patient-reported Outcomes in Patients with Metastatic Gastric and Esophageal Cancers Near End-of-life." Annals of Oncology 31 (2020): S168. https://doi.org/10.1016/j.annonc.2020.04.321.

MLA (9th ed.) Citation

Batra, A., et al. "P-239 Patient-reported Outcomes in Patients with Metastatic Gastric and Esophageal Cancers Near End-of-life." Annals of Oncology, vol. 31, 2020, p. S168, https://doi.org/10.1016/j.annonc.2020.04.321.