| APA | Smart Define. (2016). newsletter thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/newsletter/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "newsletter thesaurus" https://smartdefine.org/newsletter/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, newsletter thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/newsletter/thesaurus/synonyms>. |
| MLA | Smart Define. "newsletter thesaurus" 5 January 2016. Web. 30 September 2026. <https://smartdefine.org/newsletter/thesaurus/synonyms> |