| APA | Smart Define. (1970). air-breathing arthropod thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/air-breathing_arthropod/thesaurus/narrower |
| Chicago | Smart Define. 1970. "air-breathing arthropod thesaurus" https://smartdefine.org/air-breathing_arthropod/thesaurus/narrower (accessed September 30, 2026). |
| Harvard | Smart Define 1970, air-breathing arthropod thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/air-breathing_arthropod/thesaurus/narrower>. |
| MLA | Smart Define. "air-breathing arthropod thesaurus" 1 January 1970. Web. 30 September 2026. <https://smartdefine.org/air-breathing_arthropod/thesaurus/narrower> |