| APA | Smart Define. (2011). Industrial Workers of the World thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/industrial_workers_of_the_world/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "Industrial Workers of the World thesaurus" https://smartdefine.org/industrial_workers_of_the_world/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2011, Industrial Workers of the World thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/industrial_workers_of_the_world/thesaurus/synonyms>. |
| MLA | Smart Define. "Industrial Workers of the World thesaurus" 26 April 2011. Web. 24 September 2026. <https://smartdefine.org/industrial_workers_of_the_world/thesaurus/synonyms> |