APA-Zitierstil (7. Ausg.)

Herfarth, C., Heuschen, G., & Heuschen, U. (2000). Two decades of restorative proctocolectomy: Laudation or requiem for the ileoanal pouch procedure? IBD at the end of its first century.

Chicago-Zitierstil (17. Ausg.)

Herfarth, Christian, Gundi Heuschen, und Udo Heuschen. "Two Decades of Restorative Proctocolectomy: Laudation or Requiem for the Ileoanal Pouch Procedure?" IBD at the End of Its First Century 2000.

MLA-Zitierstil (9. Ausg.)

Herfarth, Christian, et al. "Two Decades of Restorative Proctocolectomy: Laudation or Requiem for the Ileoanal Pouch Procedure?" IBD at the End of Its First Century, 2000.