MLA

Wilson, Edmund, 1895-1972. Hawthorne, Hazel. Box 33, folder 866-869. 1927-67, n.d.. https://collections.library.yale.edu/catalog/17083224.

APA, 6th edition

Wilson, Edmund, 1895-1972. (["Box 33, folder 866-869"])(1927-67, n.d.)[Hawthorne, Hazel]. https://collections.library.yale.edu/catalog/17083224.