| APA | Smart Define. (-0001). letter to the editor thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/letter_to_the_editor/thesaurus/synonyms |
| Chicago | Smart Define. -0001. "letter to the editor thesaurus" https://smartdefine.org/letter_to_the_editor/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define -0001, letter to the editor thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/letter_to_the_editor/thesaurus/synonyms>. |
| MLA | Smart Define. "letter to the editor thesaurus" 30 November -0001. Web. 20 September 2026. <https://smartdefine.org/letter_to_the_editor/thesaurus/synonyms> |