| APA | Smart Define. (2013). serious-mindedness thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/serious-mindedness/thesaurus/narrower |
| Chicago | Smart Define. 2013. "serious-mindedness thesaurus" https://smartdefine.org/serious-mindedness/thesaurus/narrower (accessed September 25, 2026). |
| Harvard | Smart Define 2013, serious-mindedness thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/serious-mindedness/thesaurus/narrower>. |
| MLA | Smart Define. "serious-mindedness thesaurus" 28 June 2013. Web. 25 September 2026. <https://smartdefine.org/serious-mindedness/thesaurus/narrower> |