It's easy to cite LitCharts for use in academic papers and reports.
MLA
Brock, Zoë. "Billy Lynn’s Long Halftime Walk." LitCharts. LitCharts LLC, 30 May 2018. Web. 13 Apr 2021.
Chicago
Brock, Zoë. "Billy Lynn’s Long Halftime Walk." LitCharts LLC, May 30, 2018. Retrieved April 13, 2021. https://www.litcharts.com/lit/billy-lynn-s-long-halftime-walk.