| APA | Smart Define. (2015). souls on board thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/souls_on_board/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "souls on board thesaurus" https://smartdefine.org/souls_on_board/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, souls on board thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/souls_on_board/thesaurus/synonyms>. |
| MLA | Smart Define. "souls on board thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/souls_on_board/thesaurus/synonyms> |