| APA | Smart Define. (-0001). life extension thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/life_extension/thesaurus/broader |
| Chicago | Smart Define. -0001. "life extension thesaurus" https://smartdefine.org/life_extension/thesaurus/broader (accessed September 20, 2026). |
| Harvard | Smart Define -0001, life extension thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/life_extension/thesaurus/broader>. |
| MLA | Smart Define. "life extension thesaurus" 30 November -0001. Web. 20 September 2026. <https://smartdefine.org/life_extension/thesaurus/broader> |