| APA | Smart Define. (2013). increase fourfold thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/increase_fourfold/thesaurus/related |
| Chicago | Smart Define. 2013. "increase fourfold thesaurus" https://smartdefine.org/increase_fourfold/thesaurus/related (accessed September 23, 2026). |
| Harvard | Smart Define 2013, increase fourfold thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/increase_fourfold/thesaurus/related>. |
| MLA | Smart Define. "increase fourfold thesaurus" 18 May 2013. Web. 23 September 2026. <https://smartdefine.org/increase_fourfold/thesaurus/related> |