| APA | Smart Define. (2011). turn of the century thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/turn_of_the_century/thesaurus/broader |
| Chicago | Smart Define. 2011. "turn of the century thesaurus" https://smartdefine.org/turn_of_the_century/thesaurus/broader (accessed September 30, 2026). |
| Harvard | Smart Define 2011, turn of the century thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/turn_of_the_century/thesaurus/broader>. |
| MLA | Smart Define. "turn of the century thesaurus" 23 May 2011. Web. 30 September 2026. <https://smartdefine.org/turn_of_the_century/thesaurus/broader> |