It's easy to cite LitCharts for use in academic papers and reports.
MLA
Vaux, Robert. "Rikki-Tikki-Tavi." LitCharts. LitCharts LLC, 19 Dec 2018. Web. 18 Sep 2020.
Chicago
Vaux, Robert. "Rikki-Tikki-Tavi." LitCharts LLC, December 19, 2018. Retrieved September 18, 2020. https://www.litcharts.com/lit/rikki-tikki-tavi.