MLA

Wilson, Edmund, 1895-1972. Mizener, Arthur. Box 47, folder 1272-1276. 1943-59, n.d.. https://collections.library.yale.edu/catalog/17083229.

APA, 6th edition

Wilson, Edmund, 1895-1972. (["Box 47, folder 1272-1276"])(1943-59, n.d.)[Mizener, Arthur]. https://collections.library.yale.edu/catalog/17083229.