Cite
Letter from Carl Djerassi
MLA
Not Available. "Letter from Carl Djerassi." Duke University. Library. 1965-06-30, https://idn.duke.edu/ark:/87924/r48k7614x.
APA
Not Available (1965-06-30). Letter from Carl Djerassi. Retrieved from https://idn.duke.edu/ark:/87924/r48k7614x
Chicago
Not Available. "Letter from Carl Djerassi." 1965-06-30. April 27, 2024. https://idn.duke.edu/ark:/87924/r48k7614x.