| APA | Smart Define. (2016). living things thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/living_things/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "living things thesaurus" https://smartdefine.org/living_things/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, living things thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/living_things/thesaurus/synonyms>. |
| MLA | Smart Define. "living things thesaurus" 27 January 2016. Web. 21 September 2026. <https://smartdefine.org/living_things/thesaurus/synonyms> |