Invitation from W. E. B. & N. G. Du Bois to unidentified correspondent

Chicago citation style
Du Bois, W. E. B. (William Edward Burghardt), 1868-1963. Invitation from W. E. B. & N. G. Du Bois to unidentified correspondent. 1924-03. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b158-i231. (Accessed December 13, 2018.)
APA citation style
Du Bois, W. E. B. (William Edward Burghardt), 1868-1963, (1924-03) Invitation from W. E. B. & N. G. Du Bois to unidentified correspondent. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b158-i231
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-b158-i231>.
Note: These citations are programmatically generated and may be incomplete.