| APA | Smart Define. (2016). halftone thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/halftone/thesaurus/related |
| Chicago | Smart Define. 2016. "halftone thesaurus" https://smartdefine.org/halftone/thesaurus/related (accessed September 21, 2026). |
| Harvard | Smart Define 2016, halftone thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/halftone/thesaurus/related>. |
| MLA | Smart Define. "halftone thesaurus" 30 March 2016. Web. 21 September 2026. <https://smartdefine.org/halftone/thesaurus/related> |