Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). slept. Retrieved September 20, 2026, from http://smartdefine.org/slept/definitions/2062904 |
| Chicago | Webster's. 2011. "slept" http://smartdefine.org/slept/definitions/2062904 (accessed September 20, 2026). |
| Harvard | Webster's 2011, slept, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/slept/definitions/2062904>. |
| MLA | Webster's. "slept" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/slept/definitions/2062904> |