It's easy to cite LitCharts for use in academic papers and reports.
MLA
Lee, Sophia. "The Castle of Otranto." LitCharts. LitCharts LLC, 20 Jan 2017. Web. 1 Mar 2021.
Chicago
Lee, Sophia. "The Castle of Otranto." LitCharts LLC, January 20, 2017. Retrieved March 1, 2021. https://www.litcharts.com/lit/the-castle-of-otranto.