APA (7th ed.) Citation

G, F., CI, F., & CB, F. (1993). Combined modality treatment of gastrointestinal cancer. Current opinion in oncology, 5(4), 710. https://doi.org/10.1097/00001622-199307000-00016

Chicago Style (17th ed.) Citation

G, Falkson, Falkson CI, and Falkson CB. "Combined Modality Treatment of Gastrointestinal Cancer." Current Opinion in Oncology 5, no. 4 (1993): 710. https://doi.org/10.1097/00001622-199307000-00016.

MLA (9th ed.) Citation

G, Falkson, et al. "Combined Modality Treatment of Gastrointestinal Cancer." Current Opinion in Oncology, vol. 5, no. 4, 1993, p. 710, https://doi.org/10.1097/00001622-199307000-00016.