| APA | Smart Define. (1970). industrial steam locomotive thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/industrial_steam_locomotive/thesaurus/broader |
| Chicago | Smart Define. 1970. "industrial steam locomotive thesaurus" https://smartdefine.org/industrial_steam_locomotive/thesaurus/broader (accessed September 30, 2026). |
| Harvard | Smart Define 1970, industrial steam locomotive thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/industrial_steam_locomotive/thesaurus/broader>. |
| MLA | Smart Define. "industrial steam locomotive thesaurus" 1 January 1970. Web. 30 September 2026. <https://smartdefine.org/industrial_steam_locomotive/thesaurus/broader> |