Letter from Mark H. McCormack to Sally Little

Chicago citation style
McCormack, Mark H. Letter from Mark H. McCormack to Sally Little. 1971-05-04. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0002-f026-i013. (Accessed December 16, 2018.)
APA citation style
McCormack, Mark H, (1971-05-04) Letter from Mark H. McCormack to Sally Little. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0002-f026-i013
MLA citation style
McCormack, Mark H. Retrieved from the Digital Public Library of America <http://credo.library.umass.edu/view/full/mums700-b0002-f026-i013>.
Note: These citations are programmatically generated and may be incomplete.