Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). scleroderma. Retrieved September 21, 2026, from http://smartdefine.org/scleroderma/definitions/2058785 |
| Chicago | Webster's. 2011. "scleroderma" http://smartdefine.org/scleroderma/definitions/2058785 (accessed September 21, 2026). |
| Harvard | Webster's 2011, scleroderma, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/scleroderma/definitions/2058785>. |
| MLA | Webster's. "scleroderma" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/scleroderma/definitions/2058785> |