| APA | Smart Define. (-0001). pfeiffer syndrome thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/pfeiffer_syndrome/thesaurus/broader |
| Chicago | Smart Define. -0001. "pfeiffer syndrome thesaurus" https://smartdefine.org/pfeiffer_syndrome/thesaurus/broader (accessed September 29, 2026). |
| Harvard | Smart Define -0001, pfeiffer syndrome thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/pfeiffer_syndrome/thesaurus/broader>. |
| MLA | Smart Define. "pfeiffer syndrome thesaurus" 30 November -0001. Web. 29 September 2026. <https://smartdefine.org/pfeiffer_syndrome/thesaurus/broader> |