| APA | Smart Define. (1970). difficulty in falling thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/difficulty_in_falling/thesaurus/broader |
| Chicago | Smart Define. 1970. "difficulty in falling thesaurus" https://smartdefine.org/difficulty_in_falling/thesaurus/broader (accessed September 26, 2026). |
| Harvard | Smart Define 1970, difficulty in falling thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/difficulty_in_falling/thesaurus/broader>. |
| MLA | Smart Define. "difficulty in falling thesaurus" 1 January 1970. Web. 26 September 2026. <https://smartdefine.org/difficulty_in_falling/thesaurus/broader> |