| APA | Smart Define. (2013). contour effect thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/contour_effect/thesaurus/related |
| Chicago | Smart Define. 2013. "contour effect thesaurus" https://smartdefine.org/contour_effect/thesaurus/related (accessed September 22, 2026). |
| Harvard | Smart Define 2013, contour effect thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/contour_effect/thesaurus/related>. |
| MLA | Smart Define. "contour effect thesaurus" 17 May 2013. Web. 22 September 2026. <https://smartdefine.org/contour_effect/thesaurus/related> |