Cite
Letter to sister, [undated]
MLA
Not Available. "Letter to sister, [undated]." Duke University. Library. 1950/2011, https://idn.duke.edu/ark:/87924/r4qr4nx33.
APA
Not Available (1950/2011). Letter to sister, [undated]. Retrieved from https://idn.duke.edu/ark:/87924/r4qr4nx33
Chicago
Not Available. "Letter to sister, [undated]." 1950/2011. May 4, 2024. https://idn.duke.edu/ark:/87924/r4qr4nx33.