| APA | Smart Define. (2014). umpteenth thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/umpteenth/thesaurus/synonyms |
| Chicago | Smart Define. 2014. "umpteenth thesaurus" https://smartdefine.org/umpteenth/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2014, umpteenth thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/umpteenth/thesaurus/synonyms>. |
| MLA | Smart Define. "umpteenth thesaurus" 18 November 2014. Web. 24 September 2026. <https://smartdefine.org/umpteenth/thesaurus/synonyms> |