| APA | Smart Define. (2013). sunspot thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/sunspot/thesaurus/antonyms |
| Chicago | Smart Define. 2013. "sunspot thesaurus" https://smartdefine.org/sunspot/thesaurus/antonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2013, sunspot thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/sunspot/thesaurus/antonyms>. |
| MLA | Smart Define. "sunspot thesaurus" 17 June 2013. Web. 21 September 2026. <https://smartdefine.org/sunspot/thesaurus/antonyms> |