| APA | Smart Define. (1970). phenomenal vocabulary list thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/phenomenal_vocabulary_list/thesaurus/synonyms |
| Chicago | Smart Define. 1970. "phenomenal vocabulary list thesaurus" https://smartdefine.org/phenomenal_vocabulary_list/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 1970, phenomenal vocabulary list thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/phenomenal_vocabulary_list/thesaurus/synonyms>. |
| MLA | Smart Define. "phenomenal vocabulary list thesaurus" 1 January 1970. Web. 27 September 2026. <https://smartdefine.org/phenomenal_vocabulary_list/thesaurus/synonyms> |