| APA | Smart Define. (2013). backward-compatible thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/backward-compatible/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "backward-compatible thesaurus" https://smartdefine.org/backward-compatible/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2013, backward-compatible thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/backward-compatible/thesaurus/synonyms>. |
| MLA | Smart Define. "backward-compatible thesaurus" 17 June 2013. Web. 23 September 2026. <https://smartdefine.org/backward-compatible/thesaurus/synonyms> |