It's easy to cite LitCharts for use in academic papers and reports.
MLA
Sherriff, Gina. "The Night Circus." LitCharts. LitCharts LLC, 18 Jan 2019. Web. 20 Sep 2020.
Chicago
Sherriff, Gina. "The Night Circus." LitCharts LLC, January 18, 2019. Retrieved September 20, 2020. https://www.litcharts.com/lit/the-night-circus.