Bibliographic Citation is exactly
"McLaughlin, David T. "Excerpt from Minutes of April 23, 1954 Meeting of the Board of Trustees of Dartmouth College." 16 April 1954. DP-12, Box 7123, Fraternities, 1953-1954. Dartmouth College Office of the President records, John Sloane Dickey. Rauner Special Collections Library, Hanover, NH."