| APA | Smart Define. (2016). whale thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/whale/thesaurus/narrower |
| Chicago | Smart Define. 2016. "whale thesaurus" https://smartdefine.org/whale/thesaurus/narrower (accessed September 23, 2026). |
| Harvard | Smart Define 2016, whale thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/whale/thesaurus/narrower>. |
| MLA | Smart Define. "whale thesaurus" 29 February 2016. Web. 23 September 2026. <https://smartdefine.org/whale/thesaurus/narrower> |