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