APA (7th ed.) Citation

Margaret E. Brown, M., Sandra Osswald, M., & Tracy Biediger, M. (2020). Cutaneous endometriosis of the umbilicus (Villar's nodule). Wolters Kluwer.

Chicago Style (17th ed.) Citation

Margaret E. Brown, MD, MD Sandra Osswald, and MD Tracy Biediger. Cutaneous Endometriosis of the Umbilicus (Villar's Nodule). Wolters Kluwer, 2020.

MLA (9th ed.) Citation

Margaret E. Brown, MD, et al. Cutaneous Endometriosis of the Umbilicus (Villar's Nodule). Wolters Kluwer, 2020.