| APA | Smart Define. (1970). lower than medium level thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/lower_than_medium_level/thesaurus/antonyms |
| Chicago | Smart Define. 1970. "lower than medium level thesaurus" https://smartdefine.org/lower_than_medium_level/thesaurus/antonyms (accessed September 22, 2026). |
| Harvard | Smart Define 1970, lower than medium level thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/lower_than_medium_level/thesaurus/antonyms>. |
| MLA | Smart Define. "lower than medium level thesaurus" 1 January 1970. Web. 22 September 2026. <https://smartdefine.org/lower_than_medium_level/thesaurus/antonyms> |