Cite

Du Bois, Guy Péne

MLA

Henri, Robert, 1865-1929. Du Bois, Guy Péne. Box 3, folder 77. 1905-20. https://collections.library.yale.edu/catalog/17029565.

APA, 6th edition

Henri, Robert, 1865-1929. (["Box 3, folder 77"])(1905-20)[Du Bois, Guy Péne]. https://collections.library.yale.edu/catalog/17029565.