Letter from Gertrude E. Ayer to W. E. B. Du Bois

Chicago citation style
Ayer, Gertrude E. (Gertrude Elise), 1884-1971. Letter from Gertrude E. Ayer to W. E. B. Du Bois. 1931-09-28. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b188-i194. (Accessed December 14, 2018.)
APA citation style
Ayer, Gertrude E. (Gertrude Elise), 1884-1971, (1931-09-28) Letter from Gertrude E. Ayer to W. E. B. Du Bois. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b188-i194
MLA citation style
Ayer, Gertrude E. (Gertrude Elise), 1884-1971. Retrieved from the Digital Public Library of America <http://credo.library.umass.edu/view/full/mums312-b188-i194>.
Note: These citations are programmatically generated and may be incomplete.