It's easy to cite LitCharts for use in academic papers and reports.
MLA
Florman, Ben. "Heart of Darkness." LitCharts. LitCharts LLC, 22 Jul 2013. Web. 25 Jul 2021.
Chicago
Florman, Ben. "Heart of Darkness." LitCharts LLC, July 22, 2013. Retrieved July 25, 2021. https://www.litcharts.com/lit/heart-of-darkness.