Letter from Mark H. McCormack to Bryan Cowgill

Chicago citation style
McCormack, Mark H. Letter from Mark H. McCormack to Bryan Cowgill. 1969-08-07. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0002-f005-i045. (Accessed December 14, 2018.)
APA citation style
McCormack, Mark H, (1969-08-07) Letter from Mark H. McCormack to Bryan Cowgill. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0002-f005-i045
MLA citation style
McCormack, Mark H. Retrieved from the Digital Public Library of America <http://credo.library.umass.edu/view/full/mums700-b0002-f005-i045>.
Note: These citations are programmatically generated and may be incomplete.