Letter from Mark H. McCormack to Michael Heppner

Chicago citation style
McCormack, Mark H. Letter from Mark H. McCormack to Michael Heppner. 1972-11-18. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0003-f003-i075. (Accessed December 15, 2018.)
APA citation style
McCormack, Mark H, (1972-11-18) Letter from Mark H. McCormack to Michael Heppner. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0003-f003-i075
MLA citation style
McCormack, Mark H. Retrieved from the Digital Public Library of America <http://credo.library.umass.edu/view/full/mums700-b0003-f003-i075>.
Note: These citations are programmatically generated and may be incomplete.