| APA | Smart Define. (-0001). effective immediately thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/effective_immediately/thesaurus/antonyms |
| Chicago | Smart Define. -0001. "effective immediately thesaurus" https://smartdefine.org/effective_immediately/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define -0001, effective immediately thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/effective_immediately/thesaurus/antonyms>. |
| MLA | Smart Define. "effective immediately thesaurus" 30 November -0001. Web. 27 September 2026. <https://smartdefine.org/effective_immediately/thesaurus/antonyms> |