| APA | Smart Define. (2015). ugly middle-earth creatures thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/ugly_middle-earth_creatures/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "ugly middle-earth creatures thesaurus" https://smartdefine.org/ugly_middle-earth_creatures/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, ugly middle-earth creatures thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/ugly_middle-earth_creatures/thesaurus/synonyms>. |
| MLA | Smart Define. "ugly middle-earth creatures thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/ugly_middle-earth_creatures/thesaurus/synonyms> |