| APA | Smart Define. (-0001). Society for the Protection of Ancient Buildings thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/society_for_the_protection_of_ancient_buildings/thesaurus/broader |
| Chicago | Smart Define. -0001. "Society for the Protection of Ancient Buildings thesaurus" https://smartdefine.org/society_for_the_protection_of_ancient_buildings/thesaurus/broader (accessed September 30, 2026). |
| Harvard | Smart Define -0001, Society for the Protection of Ancient Buildings thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/society_for_the_protection_of_ancient_buildings/thesaurus/broader>. |
| MLA | Smart Define. "Society for the Protection of Ancient Buildings thesaurus" 30 November -0001. Web. 30 September 2026. <https://smartdefine.org/society_for_the_protection_of_ancient_buildings/thesaurus/broader> |