It's easy to cite LitCharts for use in academic papers and reports.
Powers, Jacob. "A Visit from the Goon Squad." <em>LitCharts.</em> LitCharts LLC, 5 Jan 2017. Web. 23 Aug 2017.
Powers, Jacob. "<em>A Visit from the Goon Squad</em>." LitCharts LLC, January 5, 2017. Retrieved August 23, 2017. http://www.litcharts.com/lit/a-visit-from-the-goon-squad.