MLA

Boschère, Jean de, 1878-1953. Letters to André Suarès. Box 1 | Folder 5. 1912. https://collections.library.yale.edu/catalog/16027412.

APA, 6th edition

Boschère, Jean de, 1878-1953. (["Box 1 | Folder 5"])(1912)[Letters to André Suarès]. https://collections.library.yale.edu/catalog/16027412.