| APA | Smart Define. (2016). centenarian thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/centenarian/thesaurus/related |
| Chicago | Smart Define. 2016. "centenarian thesaurus" https://smartdefine.org/centenarian/thesaurus/related (accessed September 30, 2026). |
| Harvard | Smart Define 2016, centenarian thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/centenarian/thesaurus/related>. |
| MLA | Smart Define. "centenarian thesaurus" 29 February 2016. Web. 30 September 2026. <https://smartdefine.org/centenarian/thesaurus/related> |