| APA | Smart Define. (2011). thick-lipped thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/thick-lipped/thesaurus/related |
| Chicago | Smart Define. 2011. "thick-lipped thesaurus" https://smartdefine.org/thick-lipped/thesaurus/related (accessed September 24, 2026). |
| Harvard | Smart Define 2011, thick-lipped thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/thick-lipped/thesaurus/related>. |
| MLA | Smart Define. "thick-lipped thesaurus" 26 April 2011. Web. 24 September 2026. <https://smartdefine.org/thick-lipped/thesaurus/related> |