| APA | Smart Define. (1970). inverted spectrum thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/inverted_spectrum/thesaurus/related |
| Chicago | Smart Define. 1970. "inverted spectrum thesaurus" https://smartdefine.org/inverted_spectrum/thesaurus/related (accessed September 22, 2026). |
| Harvard | Smart Define 1970, inverted spectrum thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/inverted_spectrum/thesaurus/related>. |
| MLA | Smart Define. "inverted spectrum thesaurus" 1 January 1970. Web. 22 September 2026. <https://smartdefine.org/inverted_spectrum/thesaurus/related> |