| APA | Smart Define. (2013). head cabbage plant thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/head_cabbage_plant/thesaurus/narrower |
| Chicago | Smart Define. 2013. "head cabbage plant thesaurus" https://smartdefine.org/head_cabbage_plant/thesaurus/narrower (accessed September 24, 2026). |
| Harvard | Smart Define 2013, head cabbage plant thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/head_cabbage_plant/thesaurus/narrower>. |
| MLA | Smart Define. "head cabbage plant thesaurus" 17 May 2013. Web. 24 September 2026. <https://smartdefine.org/head_cabbage_plant/thesaurus/narrower> |