| APA | Smart Define. (2011). one of these days thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/one_of_these_days/thesaurus/antonyms |
| Chicago | Smart Define. 2011. "one of these days thesaurus" https://smartdefine.org/one_of_these_days/thesaurus/antonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2011, one of these days thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/one_of_these_days/thesaurus/antonyms>. |
| MLA | Smart Define. "one of these days thesaurus" 24 May 2011. Web. 28 September 2026. <https://smartdefine.org/one_of_these_days/thesaurus/antonyms> |