Letter from Mark H. McCormack to K. R. T. Mackenzie

Chicago citation style
McCormack, Mark H, MacKenzie, Keith, Royal and Ancient Golf Club of St. Andrews. Letter from Mark H. McCormack to K. R. T. Mackenzie. 1970-01-28. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0002-f010-i113. (Accessed October 21, 2019.)
APA citation style
McCormack, Mark H, MacKenzie, Keith, Royal and Ancient Golf Club of St. Andrews, (1970-01-28) Letter from Mark H. McCormack to K. R. T. Mackenzie. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums700-b0002-f010-i113
MLA citation style
McCormack, Mark H, MacKenzie, Keith, Royal and Ancient Golf Club of St. Andrews. Retrieved from the Digital Public Library of America <http://credo.library.umass.edu/view/full/mums700-b0002-f010-i113>.
Note: These citations are programmatically generated and may be incomplete.