Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). umpirage. Retrieved September 23, 2026, from http://smartdefine.org/umpirage/definitions/2076152 |
| Chicago | Webster's. 2011. "umpirage" http://smartdefine.org/umpirage/definitions/2076152 (accessed September 23, 2026). |
| Harvard | Webster's 2011, umpirage, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/umpirage/definitions/2076152>. |
| MLA | Webster's. "umpirage" 28 May 2011. Web. 23 September 2026. <http://smartdefine.org/umpirage/definitions/2076152> |