| APA | Smart Define. (2015). focus tube thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/focus_tube/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "focus tube thesaurus" https://smartdefine.org/focus_tube/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, focus tube thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/focus_tube/thesaurus/synonyms>. |
| MLA | Smart Define. "focus tube thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/focus_tube/thesaurus/synonyms> |