It's easy to cite LitCharts for use in academic papers and reports.
MLA
Raphel, Adrienne. "Extremely Loud and Incredibly Close." LitCharts. LitCharts LLC, 24 Jul 2015. Web. 22 Oct 2020.
Chicago
Raphel, Adrienne. "Extremely Loud and Incredibly Close." LitCharts LLC, July 24, 2015. Retrieved October 22, 2020. https://www.litcharts.com/lit/extremely-loud-and-incredibly-close.