Letter from Nina Du Bois to W. E. B. Du Bois

Chicago citation style
Du Bois, Nina. Letter from Nina Du Bois to W. E. B. Du Bois. 1911-05-21. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b006-i290. (Accessed December 16, 2018.)
APA citation style
Du Bois, Nina, (1911-05-21) Letter from Nina Du Bois to W. E. B. Du Bois. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b006-i290
MLA citation style
Du Bois, Nina. Retrieved from the Digital Public Library of America <http://credo.library.umass.edu/view/full/mums312-b006-i290>.
Note: These citations are programmatically generated and may be incomplete.