It's easy to cite LitCharts for use in academic papers and reports.
MLA
Campodonico, Christina. "The Call of the Wild." LitCharts. LitCharts LLC, 10 Nov 2013. Web. 13 Jul 2020.
Chicago
Campodonico, Christina. "The Call of the Wild." LitCharts LLC, November 10, 2013. Retrieved July 13, 2020. https://www.litcharts.com/lit/the-call-of-the-wild.