| APA | Smart Define. (2011). richard burdon haldane thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/richard_burdon_haldane/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "richard burdon haldane thesaurus" https://smartdefine.org/richard_burdon_haldane/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2011, richard burdon haldane thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/richard_burdon_haldane/thesaurus/synonyms>. |
| MLA | Smart Define. "richard burdon haldane thesaurus" 26 April 2011. Web. 26 September 2026. <https://smartdefine.org/richard_burdon_haldane/thesaurus/synonyms> |