| APA | Smart Define. (-0001). protonema thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/protonema/thesaurus/related |
| Chicago | Smart Define. -0001. "protonema thesaurus" https://smartdefine.org/protonema/thesaurus/related (accessed September 21, 2026). |
| Harvard | Smart Define -0001, protonema thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/protonema/thesaurus/related>. |
| MLA | Smart Define. "protonema thesaurus" 30 November -0001. Web. 21 September 2026. <https://smartdefine.org/protonema/thesaurus/related> |