Letter from W. E. B. Du Bois to William F. Penn

Chicago citation style
Du Bois, W. E. B. (William Edward Burghardt), 1868-1963. Letter from W. E. B. Du Bois to William F. Penn. 1930-09-17. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b187-i065. (Accessed December 16, 2018.)
APA citation style
Du Bois, W. E. B. (William Edward Burghardt), 1868-1963, (1930-09-17) Letter from W. E. B. Du Bois to William F. Penn. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b187-i065
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-b187-i065>.
Note: These citations are programmatically generated and may be incomplete.