Letter from Mark H. McCormack to Bryan Cowgill

Chicago citation style
McCormack, Mark H. Letter from Mark H. McCormack to Bryan Cowgill. 1982-09-03. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0006-f020-i018. (Accessed December 14, 2018.)
APA citation style
McCormack, Mark H, (1982-09-03) Letter from Mark H. McCormack to Bryan Cowgill. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0006-f020-i018
MLA citation style
McCormack, Mark H. Retrieved from the Digital Public Library of America <http://credo.library.umass.edu/view/full/mums700-b0006-f020-i018>.
Note: These citations are programmatically generated and may be incomplete.