MLA

Wilson, Edmund, 1895-1972. Talcottville, N.Y.. Box 202, folder 4959. 1954-57, n.d.. https://collections.library.yale.edu/catalog/2037805.

APA, 6th edition

Wilson, Edmund, 1895-1972. (["Box 202, folder 4959"])(1954-57, n.d.)[Talcottville, N.Y.]. https://collections.library.yale.edu/catalog/2037805.