| APA | Smart Define. (2013). become quiet thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/become_quiet/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "become quiet thesaurus" https://smartdefine.org/become_quiet/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2013, become quiet thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/become_quiet/thesaurus/synonyms>. |
| MLA | Smart Define. "become quiet thesaurus" 17 May 2013. Web. 20 September 2026. <https://smartdefine.org/become_quiet/thesaurus/synonyms> |