APA (7th ed.) Citation

Backes, F., Farrell, R., Brudie, L., Ahmad, S., Salani, R., Eisenhauer, E., . . . O'Malley, D. (2012). Endometrial cancer staging in the elderly: Robotic or open? Gynecologic Oncology, 125, S149. https://doi.org/10.1016/j.ygyno.2011.12.365

Chicago Style (17th ed.) Citation

Backes, F., et al. "Endometrial Cancer Staging in the Elderly: Robotic or Open?" Gynecologic Oncology 125 (2012): S149. https://doi.org/10.1016/j.ygyno.2011.12.365.

MLA (9th ed.) Citation

Backes, F., et al. "Endometrial Cancer Staging in the Elderly: Robotic or Open?" Gynecologic Oncology, vol. 125, 2012, p. S149, https://doi.org/10.1016/j.ygyno.2011.12.365.