It's easy to cite LitCharts for use in academic papers and reports.
MLA
Tanner, Alexandra. "The Children of Men." LitCharts. LitCharts LLC, 14 Dec 2017. Web. 21 Apr 2021.
Chicago
Tanner, Alexandra. "The Children of Men." LitCharts LLC, December 14, 2017. Retrieved April 21, 2021. https://www.litcharts.com/lit/the-children-of-men.