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

Chicago citation style
Parker, Helen. Letter from Helen Parker to W. E. B. Du Bois. 1947-04-13. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b115-i243. (Accessed December 17, 2018.)
APA citation style
Parker, Helen, (1947-04-13) Letter from Helen Parker to W. E. B. Du Bois. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b115-i243
MLA citation style
Parker, Helen. Retrieved from the Digital Public Library of America <http://credo.library.umass.edu/view/full/mums312-b115-i243>.
Note: These citations are programmatically generated and may be incomplete.