| APA | Smart Define. (2013). up-to-dateness thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/up-to-dateness/thesaurus/narrower |
| Chicago | Smart Define. 2013. "up-to-dateness thesaurus" https://smartdefine.org/up-to-dateness/thesaurus/narrower (accessed September 27, 2026). |
| Harvard | Smart Define 2013, up-to-dateness thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/up-to-dateness/thesaurus/narrower>. |
| MLA | Smart Define. "up-to-dateness thesaurus" 17 June 2013. Web. 27 September 2026. <https://smartdefine.org/up-to-dateness/thesaurus/narrower> |