It's easy to cite LitCharts for use in academic papers and reports.
MLA
Smith, Rosa. "The Secret Life of Walter Mitty." LitCharts. LitCharts LLC, 17 Jun 2015. Web. 6 Jul 2020.
Chicago
Smith, Rosa. "The Secret Life of Walter Mitty." LitCharts LLC, June 17, 2015. Retrieved July 6, 2020. https://www.litcharts.com/lit/the-secret-life-of-walter-mitty.