| APA | Smart Define. (1970). Guido von List Society thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/guido_von_list_society/thesaurus/broader |
| Chicago | Smart Define. 1970. "Guido von List Society thesaurus" https://smartdefine.org/guido_von_list_society/thesaurus/broader (accessed September 25, 2026). |
| Harvard | Smart Define 1970, Guido von List Society thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/guido_von_list_society/thesaurus/broader>. |
| MLA | Smart Define. "Guido von List Society thesaurus" 1 January 1970. Web. 25 September 2026. <https://smartdefine.org/guido_von_list_society/thesaurus/broader> |