Memorandum from Mark H. McCormack concerning a recent trip

Chicago citation style
McCormack, Mark H. Memorandum from Mark H. McCormack concerning a recent trip. 1981-10-21. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0006-f009-i044. (Accessed December 15, 2018.)
APA citation style
McCormack, Mark H, (1981-10-21) Memorandum from Mark H. McCormack concerning a recent trip. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0006-f009-i044
MLA citation style
McCormack, Mark H. Retrieved from the Digital Public Library of America <http://credo.library.umass.edu/view/full/mums700-b0006-f009-i044>.
Note: These citations are programmatically generated and may be incomplete.