| APA | Smart Define. (2016). birth thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/birth/thesaurus/broader |
| Chicago | Smart Define. 2016. "birth thesaurus" https://smartdefine.org/birth/thesaurus/broader (accessed September 23, 2026). |
| Harvard | Smart Define 2016, birth thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/birth/thesaurus/broader>. |
| MLA | Smart Define. "birth thesaurus" 2 March 2016. Web. 23 September 2026. <https://smartdefine.org/birth/thesaurus/broader> |