| APA | Smart Define. (2013). high-altitude thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/high-altitude/thesaurus/related |
| Chicago | Smart Define. 2013. "high-altitude thesaurus" https://smartdefine.org/high-altitude/thesaurus/related (accessed September 30, 2026). |
| Harvard | Smart Define 2013, high-altitude thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/high-altitude/thesaurus/related>. |
| MLA | Smart Define. "high-altitude thesaurus" 27 June 2013. Web. 30 September 2026. <https://smartdefine.org/high-altitude/thesaurus/related> |