Letter from Mark H. McCormack to Reg Pierce

Chicago citation style
McCormack, Mark H. Letter from Mark H. McCormack to Reg Pierce. 1971-08-02. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0002-f029-i003. (Accessed December 15, 2018.)
APA citation style
McCormack, Mark H, (1971-08-02) Letter from Mark H. McCormack to Reg Pierce. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0002-f029-i003
MLA citation style
McCormack, Mark H. Retrieved from the Digital Public Library of America <http://credo.library.umass.edu/view/full/mums700-b0002-f029-i003>.
Note: These citations are programmatically generated and may be incomplete.