| APA | Smart Define. (2016). unwarmheartedness thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unwarmheartedness/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unwarmheartedness thesaurus" https://smartdefine.org/unwarmheartedness/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, unwarmheartedness thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unwarmheartedness/thesaurus/synonyms>. |
| MLA | Smart Define. "unwarmheartedness thesaurus" 25 March 2016. Web. 26 September 2026. <https://smartdefine.org/unwarmheartedness/thesaurus/synonyms> |