| APA | Smart Define. (2015). twenty-dollar gold piece thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/twenty-dollar_gold_piece/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "twenty-dollar gold piece thesaurus" https://smartdefine.org/twenty-dollar_gold_piece/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, twenty-dollar gold piece thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/twenty-dollar_gold_piece/thesaurus/synonyms>. |
| MLA | Smart Define. "twenty-dollar gold piece thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/twenty-dollar_gold_piece/thesaurus/synonyms> |