| APA | Smart Define. (-0001). world car free day thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/world_car_free_day/thesaurus/broader |
| Chicago | Smart Define. -0001. "world car free day thesaurus" https://smartdefine.org/world_car_free_day/thesaurus/broader (accessed September 23, 2026). |
| Harvard | Smart Define -0001, world car free day thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/world_car_free_day/thesaurus/broader>. |
| MLA | Smart Define. "world car free day thesaurus" 30 November -0001. Web. 23 September 2026. <https://smartdefine.org/world_car_free_day/thesaurus/broader> |