It's easy to cite LitCharts for use in academic papers and reports.
MLA
Mueller, Bethany. "The Cellist of Sarajevo." LitCharts. LitCharts LLC, 15 Sep 2017. Web. 2 Mar 2021.
Chicago
Mueller, Bethany. "The Cellist of Sarajevo." LitCharts LLC, September 15, 2017. Retrieved March 2, 2021. https://www.litcharts.com/lit/the-cellist-of-sarajevo.