| APA | Smart Define. (-0001). internal combustion engine thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/internal_combustion_engine/thesaurus/broader |
| Chicago | Smart Define. -0001. "internal combustion engine thesaurus" https://smartdefine.org/internal_combustion_engine/thesaurus/broader (accessed September 20, 2026). |
| Harvard | Smart Define -0001, internal combustion engine thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/internal_combustion_engine/thesaurus/broader>. |
| MLA | Smart Define. "internal combustion engine thesaurus" 30 November -0001. Web. 20 September 2026. <https://smartdefine.org/internal_combustion_engine/thesaurus/broader> |