| APA | Smart Define. (1970). longing for past thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/longing_for_past/thesaurus/synonyms |
| Chicago | Smart Define. 1970. "longing for past thesaurus" https://smartdefine.org/longing_for_past/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 1970, longing for past thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/longing_for_past/thesaurus/synonyms>. |
| MLA | Smart Define. "longing for past thesaurus" 1 January 1970. Web. 21 September 2026. <https://smartdefine.org/longing_for_past/thesaurus/synonyms> |