| APA | Smart Define. (2011). x-ray photograph thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/x-ray_photograph/thesaurus/narrower |
| Chicago | Smart Define. 2011. "x-ray photograph thesaurus" https://smartdefine.org/x-ray_photograph/thesaurus/narrower (accessed September 29, 2026). |
| Harvard | Smart Define 2011, x-ray photograph thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/x-ray_photograph/thesaurus/narrower>. |
| MLA | Smart Define. "x-ray photograph thesaurus" 26 April 2011. Web. 29 September 2026. <https://smartdefine.org/x-ray_photograph/thesaurus/narrower> |