| APA | Smart Define. (2011). martin luther king jr's birthday thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/martin_luther_king_jr%27s_birthday/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "martin luther king jr's birthday thesaurus" https://smartdefine.org/martin_luther_king_jr%27s_birthday/thesaurus/synonyms (accessed October 2, 2026). |
| Harvard | Smart Define 2011, martin luther king jr's birthday thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/martin_luther_king_jr%27s_birthday/thesaurus/synonyms>. |
| MLA | Smart Define. "martin luther king jr's birthday thesaurus" 26 April 2011. Web. 2 October 2026. <https://smartdefine.org/martin_luther_king_jr%27s_birthday/thesaurus/synonyms> |