| APA | Smart Define. (1970). in this day and age thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/in_this_day_and_age/thesaurus/synonyms |
| Chicago | Smart Define. 1970. "in this day and age thesaurus" https://smartdefine.org/in_this_day_and_age/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 1970, in this day and age thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/in_this_day_and_age/thesaurus/synonyms>. |
| MLA | Smart Define. "in this day and age thesaurus" 1 January 1970. Web. 22 September 2026. <https://smartdefine.org/in_this_day_and_age/thesaurus/synonyms> |