APA (7th ed.) Citation

A, H., S, O., & S, E. (2013). Bouveret's syndrome: Endoscopic or surgical treatment. Updates in surgery, 65(1), 63. https://doi.org/10.1007/s13304-011-0131-2

Chicago Style (17th ed.) Citation

A, Hussain, Obaid S, and El-Hasani S. "Bouveret's Syndrome: Endoscopic or Surgical Treatment." Updates in Surgery 65, no. 1 (2013): 63. https://doi.org/10.1007/s13304-011-0131-2.

MLA (9th ed.) Citation

A, Hussain, et al. "Bouveret's Syndrome: Endoscopic or Surgical Treatment." Updates in Surgery, vol. 65, no. 1, 2013, p. 63, https://doi.org/10.1007/s13304-011-0131-2.