It's easy to cite LitCharts for use in academic papers and reports.
MLA
Schlegel, Chris. "Catch-22." LitCharts. LitCharts LLC, 25 Oct 2013. Web. 10 Jul 2020.
Chicago
Schlegel, Chris. "Catch-22." LitCharts LLC, October 25, 2013. Retrieved July 10, 2020. https://www.litcharts.com/lit/catch-22.