| APA | Smart Define. (2013). fifty-five thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/fifty-five/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "fifty-five thesaurus" https://smartdefine.org/fifty-five/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2013, fifty-five thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/fifty-five/thesaurus/synonyms>. |
| MLA | Smart Define. "fifty-five thesaurus" 17 June 2013. Web. 28 September 2026. <https://smartdefine.org/fifty-five/thesaurus/synonyms> |