| APA | Smart Define. (2013). is missing thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/is_missing/thesaurus/related |
| Chicago | Smart Define. 2013. "is missing thesaurus" https://smartdefine.org/is_missing/thesaurus/related (accessed September 22, 2026). |
| Harvard | Smart Define 2013, is missing thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/is_missing/thesaurus/related>. |
| MLA | Smart Define. "is missing thesaurus" 18 May 2013. Web. 22 September 2026. <https://smartdefine.org/is_missing/thesaurus/related> |