It's easy to cite LitCharts for use in academic papers and reports.
MLA
Ginsberg, Jacob. "The Duchess of Malfi." LitCharts. LitCharts LLC, 19 Apr 2017. Web. 24 Jan 2021.
Chicago
Ginsberg, Jacob. "The Duchess of Malfi." LitCharts LLC, April 19, 2017. Retrieved January 24, 2021. https://www.litcharts.com/lit/the-duchess-of-malfi.