| APA | Smart Define. (2013). nutrient agar thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/nutrient_agar/thesaurus/narrower |
| Chicago | Smart Define. 2013. "nutrient agar thesaurus" https://smartdefine.org/nutrient_agar/thesaurus/narrower (accessed September 21, 2026). |
| Harvard | Smart Define 2013, nutrient agar thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/nutrient_agar/thesaurus/narrower>. |
| MLA | Smart Define. "nutrient agar thesaurus" 17 May 2013. Web. 21 September 2026. <https://smartdefine.org/nutrient_agar/thesaurus/narrower> |