| APA | Smart Define. (2013). sixty-seven thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sixty-seven/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "sixty-seven thesaurus" https://smartdefine.org/sixty-seven/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2013, sixty-seven thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sixty-seven/thesaurus/synonyms>. |
| MLA | Smart Define. "sixty-seven thesaurus" 17 June 2013. Web. 25 September 2026. <https://smartdefine.org/sixty-seven/thesaurus/synonyms> |