| APA | Smart Define. (2014). ribless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/ribless/thesaurus/antonyms |
| Chicago | Smart Define. 2014. "ribless thesaurus" https://smartdefine.org/ribless/thesaurus/antonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2014, ribless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/ribless/thesaurus/antonyms>. |
| MLA | Smart Define. "ribless thesaurus" 14 November 2014. Web. 22 September 2026. <https://smartdefine.org/ribless/thesaurus/antonyms> |