APA (7th ed.) Citation

Kalkum, E., Klotz, R., Seide, S., Hüttner, F., Kowalewski, K., Nickel, F., . . . Probst, P. (2021). Systematic reviews in surgery: Recommendations from the Study Center of the German Society of Surgery. Langenbeck's archives of surgery, 406(6), . https://doi.org/10.1007/s00423-021-02204-x

Chicago Style (17th ed.) Citation

Kalkum, Eva, et al. "Systematic Reviews in Surgery: Recommendations from the Study Center of the German Society of Surgery." Langenbeck's Archives of Surgery 406, no. 6 (2021). https://doi.org/10.1007/s00423-021-02204-x.

MLA (9th ed.) Citation

Kalkum, Eva, et al. "Systematic Reviews in Surgery: Recommendations from the Study Center of the German Society of Surgery." Langenbeck's Archives of Surgery, vol. 406, no. 6, 2021, https://doi.org/10.1007/s00423-021-02204-x.