| APA | Smart Define. (2011). color vision deficiency thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/color_vision_deficiency/thesaurus/narrower |
| Chicago | Smart Define. 2011. "color vision deficiency thesaurus" https://smartdefine.org/color_vision_deficiency/thesaurus/narrower (accessed September 29, 2026). |
| Harvard | Smart Define 2011, color vision deficiency thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/color_vision_deficiency/thesaurus/narrower>. |
| MLA | Smart Define. "color vision deficiency thesaurus" 20 May 2011. Web. 29 September 2026. <https://smartdefine.org/color_vision_deficiency/thesaurus/narrower> |