MLA

Du Bois, W. E. B. (William Edward Burghardt), 1868-1963. Notes and miscellaneous pages. Box 5, folder 98-101. 1889-1970. https://collections.library.yale.edu/catalog/2040345.

APA, 6th edition

Du Bois, W. E. B. (William Edward Burghardt), 1868-1963. (["Box 5, folder 98-101"])(1889-1970)[Notes and miscellaneous pages]. https://collections.library.yale.edu/catalog/2040345.