It's easy to cite LitCharts for use in academic papers and reports.
Powers, Jacob. "One Day in the Life of Ivan Denisovich." <em>LitCharts.</em> LitCharts LLC, 9 Feb 2014. Web. 23 May 2017.
Powers, Jacob. "<em>One Day in the Life of Ivan Denisovich</em>." LitCharts LLC, February 9, 2014. Retrieved May 23, 2017. http://www.litcharts.com/lit/one-day-in-the-life-of-ivan-denisovich.