It's easy to cite LitCharts for use in academic papers and reports.
MLA
Munk, Olivia. "If I Stay." LitCharts. LitCharts LLC, 24 Nov 2015. Web. 1 Jun 2020.
Chicago
Munk, Olivia. "If I Stay." LitCharts LLC, November 24, 2015. Retrieved June 1, 2020. https://www.litcharts.com/lit/if-i-stay.