| APA | Smart Define. (2016). pain grimace thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/pain_grimace/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "pain grimace thesaurus" https://smartdefine.org/pain_grimace/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2016, pain grimace thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/pain_grimace/thesaurus/synonyms>. |
| MLA | Smart Define. "pain grimace thesaurus" 26 February 2016. Web. 1 October 2026. <https://smartdefine.org/pain_grimace/thesaurus/synonyms> |