| APA | Smart Define. (2011). nonphotosynthetic thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/nonphotosynthetic/thesaurus/antonyms |
| Chicago | Smart Define. 2011. "nonphotosynthetic thesaurus" https://smartdefine.org/nonphotosynthetic/thesaurus/antonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2011, nonphotosynthetic thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/nonphotosynthetic/thesaurus/antonyms>. |
| MLA | Smart Define. "nonphotosynthetic thesaurus" 26 April 2011. Web. 1 October 2026. <https://smartdefine.org/nonphotosynthetic/thesaurus/antonyms> |