| APA | Smart Define. (1970). sign up for a newsletter thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/sign_up_for_a_newsletter/thesaurus/broader |
| Chicago | Smart Define. 1970. "sign up for a newsletter thesaurus" https://smartdefine.org/sign_up_for_a_newsletter/thesaurus/broader (accessed September 29, 2026). |
| Harvard | Smart Define 1970, sign up for a newsletter thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sign_up_for_a_newsletter/thesaurus/broader>. |
| MLA | Smart Define. "sign up for a newsletter thesaurus" 1 January 1970. Web. 29 September 2026. <https://smartdefine.org/sign_up_for_a_newsletter/thesaurus/broader> |