Dear John, I've rewritten this letter 3 times

Chicago citation style
Dear John, I've rewritten this letter 3 times. 1968. Retrieved from the Digital Public Library of America, https://ark.digitalcommonwealth.org/ark:/50959/k930hj32p. (Accessed December 10, 2018.)
APA citation style
(1968) Dear John, I've rewritten this letter 3 times. Retrieved from the Digital Public Library of America, https://ark.digitalcommonwealth.org/ark:/50959/k930hj32p
MLA citation style
Retrieved from the Digital Public Library of America <https://ark.digitalcommonwealth.org/ark:/50959/k930hj32p>.
Note: These citations are programmatically generated and may be incomplete.