MLA

White, Walter, 1893-1955. Baker, Josephine. Box 1, folder 15. 1917-1955. https://collections.library.yale.edu/catalog/31963700.

APA, 6th edition

White, Walter, 1893-1955. (["Box 1, folder 15"])(1917-1955)[Baker, Josephine]. https://collections.library.yale.edu/catalog/31963700.