It's easy to cite LitCharts for use in academic papers and reports.
MLA
Mueller, Bethany. "The Invention of Wings." LitCharts. LitCharts LLC, 25 Feb 2017. Web. 21 Jan 2021.
Chicago
Mueller, Bethany. "The Invention of Wings." LitCharts LLC, February 25, 2017. Retrieved January 21, 2021. https://www.litcharts.com/lit/the-invention-of-wings.