| APA | Smart Define. (2015). sympathetic nervous system thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/sympathetic_nervous_system/thesaurus/broader |
| Chicago | Smart Define. 2015. "sympathetic nervous system thesaurus" https://smartdefine.org/sympathetic_nervous_system/thesaurus/broader (accessed September 29, 2026). |
| Harvard | Smart Define 2015, sympathetic nervous system thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sympathetic_nervous_system/thesaurus/broader>. |
| MLA | Smart Define. "sympathetic nervous system thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/sympathetic_nervous_system/thesaurus/broader> |