| APA | Smart Define. (1970). in the absence of thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/in_the_absence_of/thesaurus/synonyms |
| Chicago | Smart Define. 1970. "in the absence of thesaurus" https://smartdefine.org/in_the_absence_of/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 1970, in the absence of thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/in_the_absence_of/thesaurus/synonyms>. |
| MLA | Smart Define. "in the absence of thesaurus" 1 January 1970. Web. 21 September 2026. <https://smartdefine.org/in_the_absence_of/thesaurus/synonyms> |