| APA | Smart Define. (1970). study of paper money thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/study_of_paper_money/thesaurus/narrower |
| Chicago | Smart Define. 1970. "study of paper money thesaurus" https://smartdefine.org/study_of_paper_money/thesaurus/narrower (accessed September 25, 2026). |
| Harvard | Smart Define 1970, study of paper money thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/study_of_paper_money/thesaurus/narrower>. |
| MLA | Smart Define. "study of paper money thesaurus" 1 January 1970. Web. 25 September 2026. <https://smartdefine.org/study_of_paper_money/thesaurus/narrower> |