| APA | Smart Define. (2013). missing word thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/missing_word/thesaurus/related |
| Chicago | Smart Define. 2013. "missing word thesaurus" https://smartdefine.org/missing_word/thesaurus/related (accessed September 21, 2026). |
| Harvard | Smart Define 2013, missing word thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/missing_word/thesaurus/related>. |
| MLA | Smart Define. "missing word thesaurus" 18 May 2013. Web. 21 September 2026. <https://smartdefine.org/missing_word/thesaurus/related> |