Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). vexatious. Retrieved September 24, 2026, from http://smartdefine.org/vexatious/definitions/2079489 |
| Chicago | Webster's. 2011. "vexatious" http://smartdefine.org/vexatious/definitions/2079489 (accessed September 24, 2026). |
| Harvard | Webster's 2011, vexatious, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/vexatious/definitions/2079489>. |
| MLA | Webster's. "vexatious" 28 May 2011. Web. 24 September 2026. <http://smartdefine.org/vexatious/definitions/2079489> |