It's easy to cite LitCharts for use in academic papers and reports.
MLA
Fredericksen, Erik. "Notes from Underground." LitCharts. LitCharts LLC, 23 Apr 2014. Web. 31 May 2020.
Chicago
Fredericksen, Erik. "Notes from Underground." LitCharts LLC, April 23, 2014. Retrieved May 31, 2020. https://www.litcharts.com/lit/notes-from-underground.