| APA | Smart Define. (1970). a certain extent thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/a_certain_extent/thesaurus/related |
| Chicago | Smart Define. 1970. "a certain extent thesaurus" https://smartdefine.org/a_certain_extent/thesaurus/related (accessed September 25, 2026). |
| Harvard | Smart Define 1970, a certain extent thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/a_certain_extent/thesaurus/related>. |
| MLA | Smart Define. "a certain extent thesaurus" 1 January 1970. Web. 25 September 2026. <https://smartdefine.org/a_certain_extent/thesaurus/related> |