It's easy to cite LitCharts for use in academic papers and reports.
MLA
Sobel, Ben. "Atonement." LitCharts. LitCharts LLC, 11 Aug 2014. Web. 22 Oct 2020.
Chicago
Sobel, Ben. "Atonement." LitCharts LLC, August 11, 2014. Retrieved October 22, 2020. https://www.litcharts.com/lit/atonement.