| APA | Smart Define. (2013). left-of-center thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/left-of-center/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "left-of-center thesaurus" https://smartdefine.org/left-of-center/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2013, left-of-center thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/left-of-center/thesaurus/synonyms>. |
| MLA | Smart Define. "left-of-center thesaurus" 28 June 2013. Web. 1 October 2026. <https://smartdefine.org/left-of-center/thesaurus/synonyms> |