| APA | Smart Define. (2013). empiricist philosophy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/empiricist_philosophy/thesaurus/narrower |
| Chicago | Smart Define. 2013. "empiricist philosophy thesaurus" https://smartdefine.org/empiricist_philosophy/thesaurus/narrower (accessed September 26, 2026). |
| Harvard | Smart Define 2013, empiricist philosophy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/empiricist_philosophy/thesaurus/narrower>. |
| MLA | Smart Define. "empiricist philosophy thesaurus" 18 May 2013. Web. 26 September 2026. <https://smartdefine.org/empiricist_philosophy/thesaurus/narrower> |