It's easy to cite LitCharts for use in academic papers and reports.
MLA
Celona, Tina. "Ethan Frome." LitCharts. LitCharts LLC, 22 Jul 2013. Web. 25 Jul 2021.
Chicago
Celona, Tina. "Ethan Frome." LitCharts LLC, July 22, 2013. Retrieved July 25, 2021. https://www.litcharts.com/lit/ethan-frome.