Letter from Mark H. McCormack to Norman VonNida

Chicago citation style
McCormack, Mark H. Letter from Mark H. McCormack to Norman VonNida. 1968-11-20. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0001-f039-i152. (Accessed December 15, 2018.)
APA citation style
McCormack, Mark H, (1968-11-20) Letter from Mark H. McCormack to Norman VonNida. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0001-f039-i152
MLA citation style
McCormack, Mark H. Retrieved from the Digital Public Library of America <http://credo.library.umass.edu/view/full/mums700-b0001-f039-i152>.
Note: These citations are programmatically generated and may be incomplete.