Letter from Helen Alfred to W. E. B. Du Bois

Chicago citation style
Alfred, Helen, b. 1889. Letter from Helen Alfred to W. E. B. Du Bois. 1958-05-28. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b148-i012. (Accessed December 11, 2018.)
APA citation style
Alfred, Helen, b. 1889, (1958-05-28) Letter from Helen Alfred to W. E. B. Du Bois. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b148-i012
MLA citation style
Alfred, Helen, b. 1889. Retrieved from the Digital Public Library of America <http://credo.library.umass.edu/view/full/mums312-b148-i012>.
Note: These citations are programmatically generated and may be incomplete.