It's easy to cite LitCharts for use in academic papers and reports.
MLA
Arn, Jackson. "The Devil in the White City." LitCharts. LitCharts LLC, 1 Jul 2015. Web. 11 Jul 2020.
Chicago
Arn, Jackson. "The Devil in the White City." LitCharts LLC, July 1, 2015. Retrieved July 11, 2020. https://www.litcharts.com/lit/the-devil-in-the-white-city.