It's easy to cite LitCharts for use in academic papers and reports.
MLA
Cao, Diana. "The Gift of the Magi." LitCharts. LitCharts LLC, 8 Nov 2013. Web. 3 Jul 2020.
Chicago
Cao, Diana. "The Gift of the Magi." LitCharts LLC, November 8, 2013. Retrieved July 3, 2020. https://www.litcharts.com/lit/the-gift-of-the-magi.