| APA | Smart Define. (1970). preventable blindness thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/preventable_blindness/thesaurus/related |
| Chicago | Smart Define. 1970. "preventable blindness thesaurus" https://smartdefine.org/preventable_blindness/thesaurus/related (accessed September 24, 2026). |
| Harvard | Smart Define 1970, preventable blindness thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/preventable_blindness/thesaurus/related>. |
| MLA | Smart Define. "preventable blindness thesaurus" 1 January 1970. Web. 24 September 2026. <https://smartdefine.org/preventable_blindness/thesaurus/related> |