| APA | Smart Define. (-0001). skull and bones thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/skull_and_bones/thesaurus/broader |
| Chicago | Smart Define. -0001. "skull and bones thesaurus" https://smartdefine.org/skull_and_bones/thesaurus/broader (accessed September 23, 2026). |
| Harvard | Smart Define -0001, skull and bones thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/skull_and_bones/thesaurus/broader>. |
| MLA | Smart Define. "skull and bones thesaurus" 30 November -0001. Web. 23 September 2026. <https://smartdefine.org/skull_and_bones/thesaurus/broader> |