| APA | Smart Define. (2013). down-the-line thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/down-the-line/thesaurus/antonyms |
| Chicago | Smart Define. 2013. "down-the-line thesaurus" https://smartdefine.org/down-the-line/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2013, down-the-line thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/down-the-line/thesaurus/antonyms>. |
| MLA | Smart Define. "down-the-line thesaurus" 27 June 2013. Web. 25 September 2026. <https://smartdefine.org/down-the-line/thesaurus/antonyms> |