| APA | Smart Define. (2011). life-force thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/life-force/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "life-force thesaurus" https://smartdefine.org/life-force/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2011, life-force thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/life-force/thesaurus/synonyms>. |
| MLA | Smart Define. "life-force thesaurus" 29 May 2011. Web. 21 September 2026. <https://smartdefine.org/life-force/thesaurus/synonyms> |