Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). rectal. Retrieved September 21, 2026, from http://smartdefine.org/rectal/definitions/2053388 |
| Chicago | Webster's. 2011. "rectal" http://smartdefine.org/rectal/definitions/2053388 (accessed September 21, 2026). |
| Harvard | Webster's 2011, rectal, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/rectal/definitions/2053388>. |
| MLA | Webster's. "rectal" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/rectal/definitions/2053388> |