| APA | Smart Define. (1970). graph of ecological pyramids thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/graph_of_ecological_pyramids/thesaurus/related |
| Chicago | Smart Define. 1970. "graph of ecological pyramids thesaurus" https://smartdefine.org/graph_of_ecological_pyramids/thesaurus/related (accessed September 27, 2026). |
| Harvard | Smart Define 1970, graph of ecological pyramids thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/graph_of_ecological_pyramids/thesaurus/related>. |
| MLA | Smart Define. "graph of ecological pyramids thesaurus" 1 January 1970. Web. 27 September 2026. <https://smartdefine.org/graph_of_ecological_pyramids/thesaurus/related> |