It's easy to cite LitCharts for use in academic papers and reports.
MLA
Lorenz, Ben. "Reservation Blues." LitCharts. LitCharts LLC, 9 May 2016. Web. 18 May 2021.
Chicago
Lorenz, Ben. "Reservation Blues." LitCharts LLC, May 9, 2016. Retrieved May 18, 2021. https://www.litcharts.com/lit/reservation-blues.