Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). reducible. Retrieved September 20, 2026, from http://smartdefine.org/reducible/definitions/2053607 |
| Chicago | Webster's. 2011. "reducible" http://smartdefine.org/reducible/definitions/2053607 (accessed September 20, 2026). |
| Harvard | Webster's 2011, reducible, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/reducible/definitions/2053607>. |
| MLA | Webster's. "reducible" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/reducible/definitions/2053607> |