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. 28 Sep 2020.
Chicago
Mueller, Bethany. "The Cellist of Sarajevo." LitCharts LLC, September 15, 2017. Retrieved September 28, 2020. https://www.litcharts.com/lit/the-cellist-of-sarajevo.