It's easy to cite LitCharts for use in academic papers and reports.
MLA
Lucas, Julian. "Lolita." LitCharts. LitCharts LLC, 16 Apr 2014. Web. 21 Jan 2021.
Chicago
Lucas, Julian. "Lolita." LitCharts LLC, April 16, 2014. Retrieved January 21, 2021. https://www.litcharts.com/lit/lolita.