It's easy to cite LitCharts for use in academic papers and reports.
MLA
Seresin, Indiana. "A Doll's House." LitCharts. LitCharts LLC, 18 Sep 2013. Web. 13 Jul 2020.
Chicago
Seresin, Indiana. "A Doll's House." LitCharts LLC, September 18, 2013. Retrieved July 13, 2020. https://www.litcharts.com/lit/a-doll-s-house.