| APA | Smart Define. (2011). over the counter security thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/over_the_counter_security/thesaurus/antonyms |
| Chicago | Smart Define. 2011. "over the counter security thesaurus" https://smartdefine.org/over_the_counter_security/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2011, over the counter security thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/over_the_counter_security/thesaurus/antonyms>. |
| MLA | Smart Define. "over the counter security thesaurus" 26 April 2011. Web. 27 September 2026. <https://smartdefine.org/over_the_counter_security/thesaurus/antonyms> |