Memorandum from Mark H. McCormack to surfing file

Chicago citation style
McCormack, Mark H. Memorandum from Mark H. McCormack to surfing file. 1977-04-13. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0004-f021-i065. (Accessed December 13, 2018.)
APA citation style
McCormack, Mark H, (1977-04-13) Memorandum from Mark H. McCormack to surfing file. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0004-f021-i065
MLA citation style
McCormack, Mark H. Retrieved from the Digital Public Library of America <http://credo.library.umass.edu/view/full/mums700-b0004-f021-i065>.
Note: These citations are programmatically generated and may be incomplete.