Letter from Mark H. McCormack to Donald W. Giffin

Chicago citation style
McCormack, Mark H, Giffin, Donald W. Letter from Mark H. McCormack to Donald W. Giffin. 1976-04-07. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0004-f009-i003. (Accessed December 15, 2019.)
APA citation style
McCormack, Mark H, Giffin, Donald W, (1976-04-07) Letter from Mark H. McCormack to Donald W. Giffin. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0004-f009-i003
MLA citation style
McCormack, Mark H, Giffin, Donald W. Retrieved from the Digital Public Library of America <http://credo.library.umass.edu/view/full/mums700-b0004-f009-i003>.
Note: These citations are programmatically generated and may be incomplete.