It's easy to cite LitCharts for use in academic papers and reports.
MLA
Arn, Jackson. "Ender’s Game." LitCharts. LitCharts LLC, 9 Mar 2016. Web. 25 Jan 2021.
Chicago
Arn, Jackson. "Ender’s Game." LitCharts LLC, March 9, 2016. Retrieved January 25, 2021. https://www.litcharts.com/lit/ender-s-game.