| APA | Smart Define. (1970). branch of biology that deals with animals thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/branch_of_biology_that_deals_with_animals/thesaurus/narrower |
| Chicago | Smart Define. 1970. "branch of biology that deals with animals thesaurus" https://smartdefine.org/branch_of_biology_that_deals_with_animals/thesaurus/narrower (accessed October 2, 2026). |
| Harvard | Smart Define 1970, branch of biology that deals with animals thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/branch_of_biology_that_deals_with_animals/thesaurus/narrower>. |
| MLA | Smart Define. "branch of biology that deals with animals thesaurus" 1 January 1970. Web. 2 October 2026. <https://smartdefine.org/branch_of_biology_that_deals_with_animals/thesaurus/narrower> |