Letter from W. R. Valentine to W. E. B. Du Bois

Chicago citation style
Valentine, W. R. Letter from W. R. Valentine to W. E. B. Du Bois. 1950-08-03. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b130-i125. (Accessed December 12, 2018.)
APA citation style
Valentine, W. R, (1950-08-03) Letter from W. R. Valentine to W. E. B. Du Bois. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b130-i125
MLA citation style
Valentine, W. R. Retrieved from the Digital Public Library of America <http://credo.library.umass.edu/view/full/mums312-b130-i125>.
Note: These citations are programmatically generated and may be incomplete.