Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). pitch-black. Retrieved September 29, 2026, from http://smartdefine.org/pitch-black/definitions/2045904 |
| Chicago | Webster's. 2011. "pitch-black" http://smartdefine.org/pitch-black/definitions/2045904 (accessed September 29, 2026). |
| Harvard | Webster's 2011, pitch-black, Smart Define, viewed 29 September, 2026, <http://smartdefine.org/pitch-black/definitions/2045904>. |
| MLA | Webster's. "pitch-black" 27 May 2011. Web. 29 September 2026. <http://smartdefine.org/pitch-black/definitions/2045904> |