| APA | Smart Define. (2013). seven wonders of the world thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/seven_wonders_of_the_world/thesaurus/broader |
| Chicago | Smart Define. 2013. "seven wonders of the world thesaurus" https://smartdefine.org/seven_wonders_of_the_world/thesaurus/broader (accessed October 1, 2026). |
| Harvard | Smart Define 2013, seven wonders of the world thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/seven_wonders_of_the_world/thesaurus/broader>. |
| MLA | Smart Define. "seven wonders of the world thesaurus" 19 May 2013. Web. 1 October 2026. <https://smartdefine.org/seven_wonders_of_the_world/thesaurus/broader> |