| APA | Smart Define. (2011). astomatous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/astomatous/thesaurus/antonyms |
| Chicago | Smart Define. 2011. "astomatous thesaurus" https://smartdefine.org/astomatous/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2011, astomatous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/astomatous/thesaurus/antonyms>. |
| MLA | Smart Define. "astomatous thesaurus" 26 April 2011. Web. 26 September 2026. <https://smartdefine.org/astomatous/thesaurus/antonyms> |