Letter from W. E. B. Du Bois to J. E. Spingarn

Chicago citation style
Du Bois, W. E. B. (William Edward Burghardt), 1868-1963. Letter from W. E. B. Du Bois to J. E. Spingarn. 1931-12-24. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b060-i006. (Accessed December 19, 2018.)
APA citation style
Du Bois, W. E. B. (William Edward Burghardt), 1868-1963, (1931-12-24) Letter from W. E. B. Du Bois to J. E. Spingarn. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b060-i006
MLA citation style
Du Bois, W. E. B. (William Edward Burghardt), 1868-1963. Retrieved from the Digital Public Library of America <http://credo.library.umass.edu/view/full/mums312-b060-i006>.
Note: These citations are programmatically generated and may be incomplete.