| APA | Smart Define. (1970). slight traces of soil thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/slight_traces_of_soil/thesaurus/broader |
| Chicago | Smart Define. 1970. "slight traces of soil thesaurus" https://smartdefine.org/slight_traces_of_soil/thesaurus/broader (accessed September 22, 2026). |
| Harvard | Smart Define 1970, slight traces of soil thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/slight_traces_of_soil/thesaurus/broader>. |
| MLA | Smart Define. "slight traces of soil thesaurus" 1 January 1970. Web. 22 September 2026. <https://smartdefine.org/slight_traces_of_soil/thesaurus/broader> |