| APA | Smart Define. (2011). call into doubt thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/call_into_doubt/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "call into doubt thesaurus" https://smartdefine.org/call_into_doubt/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2011, call into doubt thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/call_into_doubt/thesaurus/synonyms>. |
| MLA | Smart Define. "call into doubt thesaurus" 29 May 2011. Web. 21 September 2026. <https://smartdefine.org/call_into_doubt/thesaurus/synonyms> |