It's easy to cite LitCharts for use in academic papers and reports.
MLA
Ross, Margaret. "Great Expectations." LitCharts. LitCharts LLC, 16 Sep 2013. Web. 9 Jul 2020.
Chicago
Ross, Margaret. "Great Expectations." LitCharts LLC, September 16, 2013. Retrieved July 9, 2020. https://www.litcharts.com/lit/great-expectations.