| APA | Smart Define. (2011). parkinson's disease thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/parkinson%27s_disease/thesaurus/related |
| Chicago | Smart Define. 2011. "parkinson's disease thesaurus" https://smartdefine.org/parkinson%27s_disease/thesaurus/related (accessed October 2, 2026). |
| Harvard | Smart Define 2011, parkinson's disease thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/parkinson%27s_disease/thesaurus/related>. |
| MLA | Smart Define. "parkinson's disease thesaurus" 23 May 2011. Web. 2 October 2026. <https://smartdefine.org/parkinson%27s_disease/thesaurus/related> |