| APA | Smart Define. (2011). send up a balloon thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/send_up_a_balloon/thesaurus/antonyms |
| Chicago | Smart Define. 2011. "send up a balloon thesaurus" https://smartdefine.org/send_up_a_balloon/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2011, send up a balloon thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/send_up_a_balloon/thesaurus/antonyms>. |
| MLA | Smart Define. "send up a balloon thesaurus" 24 May 2011. Web. 26 September 2026. <https://smartdefine.org/send_up_a_balloon/thesaurus/antonyms> |