MLA

White, Walter, 1893-1955. White while war correspondent. Box 43, folder 451. 1943-1945. https://collections.library.yale.edu/catalog/2065164.

APA, 6th edition

White, Walter, 1893-1955. (["Box 43, folder 451"])(1943-1945)[White while war correspondent]. https://collections.library.yale.edu/catalog/2065164.