| APA | Smart Define. (2013). water system thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/water_system/thesaurus/broader |
| Chicago | Smart Define. 2013. "water system thesaurus" https://smartdefine.org/water_system/thesaurus/broader (accessed September 23, 2026). |
| Harvard | Smart Define 2013, water system thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/water_system/thesaurus/broader>. |
| MLA | Smart Define. "water system thesaurus" 19 May 2013. Web. 23 September 2026. <https://smartdefine.org/water_system/thesaurus/broader> |