Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). whack. Retrieved September 21, 2026, from http://smartdefine.org/whack/definitions/2081504 |
| Chicago | Webster's. 2011. "whack" http://smartdefine.org/whack/definitions/2081504 (accessed September 21, 2026). |
| Harvard | Webster's 2011, whack, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/whack/definitions/2081504>. |
| MLA | Webster's. "whack" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/whack/definitions/2081504> |