| APA | Smart Define. (2013). to that end thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/to_that_end/thesaurus/antonyms |
| Chicago | Smart Define. 2013. "to that end thesaurus" https://smartdefine.org/to_that_end/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2013, to that end thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/to_that_end/thesaurus/antonyms>. |
| MLA | Smart Define. "to that end thesaurus" 19 June 2013. Web. 27 September 2026. <https://smartdefine.org/to_that_end/thesaurus/antonyms> |