APA (7th ed.) Citation

Hubert, E., Schulte, N., Belle, S., Gerhardt, a., Merx, K., Hofmann, W., . . . Kripp, M. (2013). Cancer Patients and Advance Directives: A Survey of Patients in a Hematology and Oncology Outpatient Clinic. Oncology Research & Treatment, 36(7/8), 398. https://doi.org/10.1159/000353604

Chicago Style (17th ed.) Citation

Hubert, Elisabeth, et al. "Cancer Patients and Advance Directives: A Survey of Patients in a Hematology and Oncology Outpatient Clinic." Oncology Research & Treatment 36, no. 7/8 (2013): 398. https://doi.org/10.1159/000353604.

MLA (9th ed.) Citation

Hubert, Elisabeth, et al. "Cancer Patients and Advance Directives: A Survey of Patients in a Hematology and Oncology Outpatient Clinic." Oncology Research & Treatment, vol. 36, no. 7/8, 2013, p. 398, https://doi.org/10.1159/000353604.