APA (7th ed.) Citation

Ommer, A., Herold, A., & Post, S. (2017). German S3 guidelines: Anal abscess and fistula (second revised version). Langenbeck's archives of surgery, 402(2), . https://doi.org/10.1007/s00423-017-1563-z

Chicago Style (17th ed.) Citation

Ommer, Andreas, Alexander Herold, and Stefan Post. "German S3 Guidelines: Anal Abscess and Fistula (second Revised Version)." Langenbeck's Archives of Surgery 402, no. 2 (2017). https://doi.org/10.1007/s00423-017-1563-z.

MLA (9th ed.) Citation

Ommer, Andreas, et al. "German S3 Guidelines: Anal Abscess and Fistula (second Revised Version)." Langenbeck's Archives of Surgery, vol. 402, no. 2, 2017, https://doi.org/10.1007/s00423-017-1563-z.